Borehole · Risk register · free tier
timeplus-io/proton
Free reading: not for reliance
Borehole badge for timeplus-io/proton
bfab9f0 · 50,000 commits · 39,011 files
Issued 2026-11-03

Nothing significant. Questions worth asking about Security & Reliability Posture, Observability & Operations.

103 checks ran across 6 assessable dimensions. None found a significant problem; 3 raised something worth a question. 11 findings, each with evidence. One dimension cannot be assessed without an acquirer.

What the repository says about itself
  • 99 submodule(s) this survey does not read: contrib/zstd, contrib/lz4, contrib/cctz .gitmodules:1
Degraded run. History truncated at 50,000 commits, the most a hosted survey reads. Signals needing the full history are reported as inconclusive rather than clean.
Published under today's rules. The verification code attests to this reading as it was stored. This page differs from it as follows.
  • 3 findings from checks Borehole's calibration found wrong more often than right are no longer published.
strong adequate significant findings not assessable from a repository
Provenance disclosure does not affect any rating
1% of lines added in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) arrived in commits declaring an AI agent as co-author
The surviving-lines measurement was not run on this repository.
54% of lines added in the last 12 months (since 2025-11-03) arrived in AI-declared commits: 39/263 commits, confidence low. Also a floor.
Measured over the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) only. Older history was not read.
40/37,571 commits declaring an agent · Claude, Claude Fable 5, Claude Fable 5.1 and 8 more
confidence: moderate
  • 6% of non-merge commits carry any trailer at all
  • low trailer coverage: the convention may not be in consistent use
  • no widespread author/committer date divergence
172,544 lines excluded as lockfiles, vendored or generated.
This is a lower bound. It counts what the repository declares. Undeclared AI authorship is invisible here, and a single rebase removes the trailers this rests on. Absence of a declaration is absence of disclosure, not absence of AI authorship.

Architecture & Codebase — including AI provenance

01 · strong · ratings ↑
Notes that do not affect this rating
01.3

Commit messages are templated rather than written

adequate

37% of commit subjects are exact repeats of another subject, and subject length varies by only 22.2 characters. A log written by someone explaining their reasoning to a future reader does not look like this. The log is therefore weak evidence of intent, whatever the code is like. This was read from the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) only; older history was not read.

A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated.

Evidence
commit-subjects 402× 'fix'
commit-subjects 225× 'Fix build'
commit-subjects 209× 'Fix'
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

01.6

src/Parsers/New/ClickHouseParser.cpp is 20,193 lines, 480× this codebase's median file

adequate

The median source file here is 42 lines. 161 files exceed 1,000 lines, the largest being 20,193. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down. Measured against its own codebase's median, it is larger than 97% of 382 surveyed projects' largest files.

A note that does not affect this rating: notes like it are common in well-run projects.

Evidence
line-count src/Parsers/New/ClickHouseParser.cpp:1 — 20,193 lines (480× median)
line-count base/poco/Foundation/src/pcre_jit_compile.c:1 — 11,913 lines (283× median)
line-count base/poco/Foundation/src/pcre_compile.c:1 — 9,807 lines (233× median)
line-count base/poco/XML/src/xmlparse.cpp:1 — 9,236 lines (219× median)
line-count src/Storages/MergeTree/MergeTreeData.cpp:1 — 8,014 lines (190× median)
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Engineering Process & SDLC Maturity

02 · strong · ratings ↑
A note that does not affect this rating
02.16

Tests are retried until they pass

adequate

The suite is configured to retry failing tests (docker/test/stateless_pytest/Dockerfile). A retry turns a flaky test green without saying why it failed, so a green build means the tests passed eventually. Ask how many retries a typical run needs, and which tests need them.

A note that does not affect this rating: notes like it are common in well-run projects.

Evidence
docker/test/stateless_pytest/Dockerfile docker/test/stateless_pytest/Dockerfile:34 — test retry
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Organization & Key-Person Risk

03 · adequate · ratings ↑
03.26

The bus factor fell from 4 to 1

adequate

Year by year, newest first, the number of people who wrote half the changes was 1, 3, 4, 3. The team narrowed to one person, which is a different risk from one that always was: the code does not say why.

Evidence
bus factor by year 1, 3, 4, 3
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Product & Engineering Maturity

04 · strong · ratings ↑

No finding. 19 checks ran and none fired; the rejection log below says why each did not.

Security & Reliability Posture

05 · adequate · ratings ↑
05.6

6 Dockerfiles run the application as root

adequate

No USER instruction switches away from root, so the process runs with full privileges inside the container. It is a one-line fix and an ordinary expectation, which is why its absence is worth asking about: it usually says more about whether anyone has reviewed the deployment than about this container specifically.

Evidence
no-USER-instruction docker/bare/Dockerfile — runs as root
no-USER-instruction docker/builder/Dockerfile — runs as root
no-USER-instruction docker/client/Dockerfile — runs as root
no-USER-instruction docker/packager/binary/Dockerfile — runs as root
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Notes that do not affect this rating
05.27

The build runs third-party code it does not pin

adequate

5 third-party CI actions are referenced by a tag or branch rather than a commit, so they run whatever that tag points to on the day. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.

A note that does not affect this rating: notes like it are common in well-run projects.

Evidence
.github/workflows/compatibility_test.yml .github/workflows/compatibility_test.yml:186 — action pinned by tag
.github/workflows/manual_trigger_build.yml .github/workflows/manual_trigger_build.yml:497 — action pinned by tag
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

05.9

20 vendored components with no licence

adequate

Third-party code is committed into this repository without any statement of the terms it arrived under. Unknown terms are harder to deal with than inconvenient ones: an awkward licence can be complied with, an absent one cannot. Each of these needs its origin established before the code changes hands.

A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated.

Evidence
docs/en/interfaces/third-party/client-libraries.md docs/en/interfaces/third-party/client-libraries.md — 1 tracked files, no licence file
docs/en/interfaces/third-party/gui.md docs/en/interfaces/third-party/gui.md — 1 tracked files, no licence file
docs/en/interfaces/third-party/index.md docs/en/interfaces/third-party/index.md — 1 tracked files, no licence file
docs/en/interfaces/third-party/integrations.md docs/en/interfaces/third-party/integrations.md — 1 tracked files, no licence file
docs/en/interfaces/third-party/proxy.md docs/en/interfaces/third-party/proxy.md — 1 tracked files, no licence file
docs/ja/interfaces/third-party/client-libraries.md docs/ja/interfaces/third-party/client-libraries.md — 1 tracked files, no licence file
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

05.65

1 advisory against this project in the last 24 months, 1 high or critical

adequate

The newest was published on 2026-03-24. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. None of them affects the surveyed version. The record is incomplete: NVD: 28 records name proton with nothing tying them to this repository (CVE-2016-2166, CVE-2016-4467, CVE-2018-17187, …).

A note that does not affect this rating: it describes the project's advisory record, and no advisory in it is known to affect the surveyed commit.

Evidence
CVE-2026-4746 2026-03-24: CVE-2026-4746 (critical): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is associated with program files inflate.C. Thi
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Observability & Operations

06 · adequate · ratings ↑
06.2

No structured logging library is in use

adequate

Nothing references a structured logging library. Logs that are written to be read by a person are not searchable by a machine, which means incident response here is proportional to how well someone remembers the codebase rather than to what the tooling can find.

Evidence
logging-scan C source is not searched: C programs log through printf-style calls unless they take a library, and none of the 10 searched for is referenced
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Notes that do not affect this rating
06.9

No error reporter is wired in

adequate

Nothing in the service initialises an error reporter (Sentry, Rollbar, Bugsnag, Honeybadger or an APM agent). An exception in production reaches a person only if someone is reading the logs, which usually means a customer reports it first.

A note that does not affect this rating: notes like it are common in well-run projects.

Evidence
error reporting no error reporter initialised
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

06.18

2 of 2 deployed images carry no version, or `latest`

adequate

2 images in the deployment configuration are named without a version or as `latest`. A redeploy can change the software without a commit, a rollback has nothing to roll back to, and nobody can say from the repository what is running.

A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated.

Evidence
docker/compose/docker-compose.yml docker/compose/docker-compose.yml:5 — image without a version
docker/compose/docker-compose.yml docker/compose/docker-compose.yml:34 — image without a version
Respond to this finding

Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.

An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.

Fit with the Acquirer

07 · not assessable · ratings ↑

Not rated: structurally not assessable from a repository. What a person adds here.

Check it on the running system

7 checks against the running system follow from the findings above: what a buyer's engineer will try, how to run it first, and what to have ready. A paid survey of this repository includes them. See the tiers.

A paid survey of a public repository is also reviewed: a language model reads each finding against the code and withdraws only findings it judges the code contradicts, each listed with its reason. The review is a language model's reading of the findings against the code, and it can be wrong. It never adds a finding, never raises a band, and never removes a finding from a proven check or an advisory that affects the surveyed version.

What a person adds

The survey reads what the repository can show. The code cannot settle these questions, and on them this report states nothing. Each says where its answer lives: your own engineer, the company, or an assessor you choose can settle it. Questions marked measured open with something this repository shows.

Architecture & Codebase — including AI provenance

01 · full coverage
  1. measured The tree carries design documentation (docs/en/development/architecture.md and 4 more). Does it match what the team believes today? Ask them to walk through it against the code. Answer lives in: The team01.38
  2. measured The repository pulls code in through git submodules (.gitmodules). A buyer receives pointers, not that code. Can every submodule be fetched without the team's credentials, and who owns each one? Answer lives in: The team and the submodule owners01.35
  3. Is the architecture right for the next three years of the product? Answer lives in: Your architects, with the product roadmap01.39
  4. Were the home-grown components reasonable choices when they were made, and are they now? Answer lives in: The team's reasoning at the time01.40

Engineering Process & SDLC Maturity

02 · high coverage
  1. Is review real or a rubber stamp? Comment depth and time to approve need the pull request history. Answer lives in: The code host's pull request data02.32
  2. Is delivery planned and measured, or heroic? Answer lives in: The issue tracker: backlog, sprint history, estimate accuracy02.38
  3. How are incidents run, reviewed and learned from? Answer lives in: Tickets, chat and postmortems02.37

Organization & Key-Person Risk

03 · partial coverage
  1. measured 757 people have committed here. Which of them are you acquiring, and which are you replacing? Answer lives in: The deal terms03.29
  2. Who mentors whom, and would that survive a departure? Answer lives in: The team; review history only suggests candidates03.28
  3. Can the team grow, and who stands behind the top three contributors? Answer lives in: Recruiting data and the org chart03.30
  4. Is the seniority mix sound, and will pay survive your salary bands? Answer lives in: HR data03.31
  5. Is the pace sustainable? Commit times cannot say: git keeps no reliable local time. Answer lives in: Interviews and on-call history03.14
  6. Does the team want to stay after close? Answer lives in: Interviews03.32
  7. How are decisions made and disagreements resolved? Answer lives in: Time with the team03.33

Product & Engineering Maturity

04 · minimal coverage
  1. measured 265 commits landed in the last year, against 107 the year before (+148%). What drove it: new people, a deadline, or code produced faster than before? Answer lives in: The team04.11
  2. measured A roadmap file is in the tree (docs/en/whats-new/roadmap.md, last changed October 2025). A file is not a plan. Does it match the roadmap in the data room, and has the team delivered the last one it wrote? Answer lives in: The data room04.22
  3. Does leadership know about the debt, and is time budgeted to repay it? Answer lives in: Budget and roadmap decisions04.31
  4. Is the engineering shape consistent with the commercial story? Answer lives in: Revenue, customer and churn data04.33

Security & Reliability Posture

05 · partial coverage
  1. measured No threat model is in the tree of what looks like a running service. Does one exist elsewhere, and who owns it? Answer lives in: The security owner05.43
  2. What has actually broken, how often, and how badly? Answer lives in: Ticketing and chat05.41
  3. What did external testing find, and was it fixed? Answer lives in: Reports in the data room05.42
  4. What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence? Answer lives in: Audit reports; policy files in the tree are not evidence05.44

Observability & Operations

06 · partial coverage
  1. measured Nothing in the tree backs up or restores data. How is data backed up, and has a restore ever been rehearsed? Answer lives in: The operations team06.19
  2. measured No alert rule is defined in the repository. Where are alerts defined, who receives them, and when did one last fire? Answer lives in: The alerting tool and the on-call rota06.10
  3. Are the dashboards opened, the alerts acknowledged and the pages answered? Answer lives in: Pager history and dashboard logs06.29
  4. Are the service-level objectives actually met? Answer lives in: Production metrics06.30
  5. Who carries the pager, and how often does it go off? Answer lives in: Pager exports and interviews06.31
  6. What does it cost to run, and how much headroom is there? Answer lives in: Cloud billing and capacity plans06.32

Fit with the Acquirer

07 · none coverage

Not rated: structurally not assessable from a repository.

  1. This is primarily a C codebase, with C++ alongside (46% of source files). Does your engineering organisation already run C in production, or would this be the first? 07.1
  2. The bulk of this system sits in src/, contrib/, programs/. Which of your existing systems would each of those have to absorb or replace? 07.10
  3. 54% of lines added in the last 12 months (1% of lines added in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)) came through AI-declared commits. Does your organisation have a policy on inheriting and maintaining that code, and does your engineering team's tooling match how it was produced? 07.9
  4. The repository carries deployment configuration (docker/bare/Dockerfile and 9 more). Does that match your deployment and on-call model, or does it need rehosting first? 07.2
  5. What is your tolerance for the findings above remaining unaddressed for the first two quarters after close, given everything else that will compete for this team's time?
  6. Which of these systems duplicate yours, and which get retired? Answer lives in: Your architecture07.11
  7. What will integration cost, and in what order? Answer lives in: The engagement07.12
  8. Where does the team land in your organisation, and who reports to whom? Answer lives in: Your org design07.13
  9. Are there earn-outs, retention packages or contractor IP to assign? Answer lives in: Deal terms07.14
  10. Do customer contracts limit hosting, regions or vendors? Answer lives in: Customer contracts07.15

A human assessment is Borehole's own paid service, €12,000+ (total price is determined per engagement; travel billed at cost). It is not independent of this report: the same business produced both. It is a separate contract, with its own scope, terms and reliance.

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Rejection log — 92 signals that ran and did not fire

Appendix: rejection log — 92 signals that ran and did not fire

Published on purpose. A signal that looked and decided not to fire has told you something, and this is the calibration data behind every threshold above.

Looked, and found nothing — 53

SignalWhat it found
04.hotspot_concentration change is spread across the codebase rather than pooling in a few files, in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)files 69,523 · top5 share 0.012 · history read the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)
04.debt_markers debt markers are sparsemarkers 1,741 · per kloc 0.82 · lines read 2,116,248
04.dependency_sprawl direct dependency counts are unremarkable
04.churn_trend rework is not rising against new work, in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)history read the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) · late delete per insert 0.807 · early delete per insert 0.67
04.fixes_with_tests fixes usually come with a testfixes 105 · share 0.486 · with tests 51
04.compat_layers little code is kept for the old wayshare 0.0 · code files 8,232 · compat files 0
06.telemetry_presence a telemetry or error-reporting library is referencednote presence only; whether anyone watches it is not visible here · matches 35
06.healthcheck_presence a health or readiness check is defined
06.usage_reporting_default the product's code names no reporting hostsettings on 0 · settings off 0
06.release_markers releases are markedtags last year 27 · release commits 0 · changelog commits 27
06.migrate_on_start migrations do not run at container start
03.contributor_concentration no single contributor dominates the last 24 monthswindow last 24 months · authors 757 · top share a quarter or more
03.critical_path_ownership more than one person changes the critical pathsauthors 20
03.second_contributor_attrition the second and third contributors are still active
03.joiners_and_leavers the team is not shrinkingleft 4 · joined 4 · regular last year 9
02.merge_discipline a meaningful share of recent change carries evidence of reviewmerges 24 · window last 24 months · with tracked 2
02.ci_presence CI configuration is present in the working treecount 13
02.test_presence tests are present in a normal proportion to sourcetests 12,319 · source 20,547 · test ratio 0.6
02.conventional_commits commit subjects generally carry content, in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)sampled 37,571 · history read the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) · low content share 0.16
02.branch_protection_hints process scaffolding is present in the repository
02.ci_runs_tests CI invokes a test runnerconfigs 13 · with tests 1
02.skipped_tests few tests are switched offfocused 0 · skipped 16 · test files 27,766
02.ci_test_gating no test run in CI is written so that it cannot failconfigs 13
02.revert_share change is rarely undoneshare 0.008 · reverts 3 · recent commits 372
02.dependency_update_cadence dependencies move with the codelockfiles 2 · commits since 65 · days since lockfile changed 134
02.lint_in_build a linter or formatter runs in the buildwired 3 · ci configs 13 · product files 8,232
02.commit_size changes arrive in reviewable sizesshare 0.045 · commits 333 · over 2000 lines 15
01.burst_import the largest burst was a branch merged by a merge commit, developed on its own branch and landed in one piece (100% of it), which explains the rate: translations arrive from a vendor in bulk, dependencies and generated code are committed whole, a merged pull request is dated when it merged, not when it was written, a branch merged by a merge commit was reviewed as one piece, and an export or mirror tool dates history when it replays it, in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)history read the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) · largest commits 0e235d3..2c8582a · bursts explained 1
01.duplicated_blocks little shipping code is repeated verbatim across filesshare 0.0145 · product files 7,844 · distinct blocks 818,336
01.build_reproducibility every base image names a versionfloating 0 · from lines 8
01.unfinished_migration no language migration is stalled halfway
01.weights_in_git no model weights are committedfiles 0
05.committed_secrets no credential-shaped strings outside test and fixture pathsnote the working tree only; the history is 05.5 · patterns 8 · files read 17,962
05.security_guardrails at least one standard guard rail is configured
05.dependency_pinning a lockfile is committed, so builds are reproduciblelockfile True
05.license_present a licence file is presentfound True
05.secrets_management_pattern no environment file is committed outside tests and examplesenv files 0
05.privileged_workloads no workload runs privileged or in the host's namespacessites 0 · behind a setting or built here 0
05.credentials_in_deploy_config deployment configuration references secrets, never holds themfiles 0 · sites 0
05.signing_material no signing keystore or profile is committedfiles 0
05.license_copyleft_inherited every licence found in vendored code is permissive or weak-copyleftvendored paths 20
05.license_grant_unclear the licence is recognisable as Apache-2.0class permissive · license Apache-2.0
05.committed_native_libraries no widely used compiled library is committed to the productlibraries 0
04.deprecations_lingering few deprecations have outlived two yearsolder than two years 0 · files with deprecations 2
04.dependency_churn few dependencies were added and dropped within 60 daysdependencies seen 98 · added in two years 4 · removed within 60 days 0
04.ci_platforms_dropped no platform was dropped from CI in the last two years
04.repository_status the README's first screen states no end, move or freezestatements 0
02.development_elsewhere nothing says development happens elsewhereno pr statements 0 · mirror statements 0 · replayed commit share 0.0
05.licence_changes the root licence has not changed in the history readlicence versions 1 · unreleased changes 0
05.paid_edition no directory carries a separate paid-edition licencedirectories 0
04.releases_stopped releases keep pace with developmentmedian gap days 15.0 · days since last tag 4 · commits last 90 days 39
04.release_branch the newest release was cut from the branch surveyed, in the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)elsewhere 0 · on branch 32 · history read the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026)
03.single_maintainer no file says one person maintains itstatements 0

Could not conclude, or did not apply — 39

Not a clean result. Each says why it could not answer here.

SignalWhy
04.eol_runtimeno pinned runtime version to check
04.fix_share_trendfewer than six busy quarters to compare
04.schema_churnno schema migrations to read
04.dependency_redundancyno JavaScript manifest to read
06.telemetry_depthnone at all is 06.1
06.print_loggingnot assessed for C: its logger calls are not read
06.correlation_idsnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
06.alert_rulesno alert rules in the repository; they may live in a console
06.probes_identicalno Kubernetes probes
06.single_replicano Kubernetes deployments
06.environment_branchingnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
06.feature_flagsno feature-flag service; flags may live elsewhere
03.active_contributorsnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
03.knowledge_silosnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
03.drive_by_contributorsnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
03.contributor_attritionnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
02.release_cadencenot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
02.long_lived_branchestoo few merges to judge (squash and rebase leave none)
01.initial_dumpnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
01.revision_depthnot assessed: this check needs the whole history, and only the most recent 50,000 commits (21 Jan 2020 to 30 Oct 2026) were read
01.swallowed_errorsnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
01.notebook_outputsnot a data or machine-learning repository
05.outbound_timeoutsnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
05.migration_reversibilitytoo few migrations to judge
05.sql_from_stringsnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
05.shell_from_stringsnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
05.unsafe_deserializationnot assessed for C or C++, the languages the product is written in: this check's patterns read other languages only
05.resource_limitsno Kubernetes workload manifests
05.known_vulnerabilitiesno lockfile this survey can read, or a collector older than 0.4.0
05.public_env_secretnot a frontend
05.unsafe_htmlnot a frontend
05.source_maps_shippednot a frontend
05.cleartext_trafficnot a mobile app
05.dataset_provenancenot a data or machine-learning repository
05.license_manifest_conflictno packaging manifest states a licence
04.flags_accumulatingfew or no feature flags in the history
04.api_versions_coexistingone API version is served, or none
05.project_advisoriesrecord incomplete: no advisory found in the sources that answered; NVD: 28 records name proton with nothing tying them to this repository (CVE-2016-2166, CVE-2016-4467, CVE-2018-17187, …)
05.project_exploitedno affecting advisory is on CISA's Known Exploited list
BOREHOLE READING NOT A CERTIFICATION NESK-JC0S-CC3G 2026-11-03 · BFAB9F0 BOREHOLE.DEV/VERIFY

Anyone can check this report against the authoritative record — click the stamp, or enter NESK-JC0S-CC3G at borehole.dev/verify.

The code commits to the 106 checks this run performed, the bands they produced, and the commit they were read at. It does not cover checks written since.

Put the mark in your README

The image is wrapped in a link to the verification page, so a reader can check it rather than take it on trust. If you embed it: link it to the report, remove it if the report is delisted, and do not present it as a certification or an endorsement.

[![Borehole reading, not a certification](https://borehole.dev/badge/timeplus-io/proton/bfab9f0.svg "Borehole free reading: not for reliance. See the full report.")](https://borehole.dev/verify/NESKJC0SCC3G?via=badge)

Borehole reading NESK-JC0S-CC3G, not a certification

Where this scan ran

This scan ran on ordinary cloud infrastructure (cloud-run), not in a hardware-isolated confidential VM. Nothing about it is attested by Google.

What an attested survey proves, and what it does not.

What this scan did with the repository — 7 steps

Written by the steps themselves as they ran, not described afterwards. A hand-written account of a data flow drifts the first time somebody changes the flow and not the account.

AtStepDetail
0.0s read repository metadata from the GitHub API size mb: 586.2authenticated: False
111.2s cloned the repository to a temporary directory depth: full
181.0s read the git history commits: 50000tracked files: 39011
621.5s ran the deterministic checks blame pass: Falseread working tree: False
621.6s recorded where this scan ran attested: Falseenvironment: cloud-run
900.0s kept the facts, never the source, for re-reading under new checks
900.0s deleting the working copy

Total 900.0s ·source content sent off this machine: none · calls to a language model: 0 · the clone was deleted when the survey ended

An automated reading of a repository's code and its history up to one commit, with public advisory records. It may be wrong, it is not legal, financial, investment or security advice, and it does not replace diligence by a qualified person. It is provided for information: nobody may rely on it (Borehole's terms, section 3).

BOREHOLE 0.7.15 DETERMINISTIC LAYER · NO MODEL CALLSREAD ON BOREHOLE'S SERVER · CLONE DELETED TAKEDOWNCONTRIBUTED TO THIS REPOSITORY? YOUR RIGHTS