Borehole · Risk register · free tier
caddyserver/caddy
Free reading: not for reliance
Borehole badge for caddyserver/caddy
69ec5df · 2,701 commits · 679 files
Issued 2026-10-04

Reads strong: 4 of 5 rated dimensions are strong, 1 is adequate and none is significant.

103 checks ran across 6 assessable dimensions. Security & Reliability Posture is adequate. 3 findings, each with evidence. One dimension cannot be assessed without an acquirer.

This repository reads strong. Show it in your README: the badge links to a page where anyone can check the reading. 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.

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What the repository says about itself
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
0% of the code standing today was written in AI-declared commits
0% of lines still in the tree 690 of 136,683 0% of lines ever added these differ when early hand-written code has since been replaced
2% of lines added in the last 12 months (since 2025-09-26) arrived in AI-declared commits: 10/347 commits, confidence moderate. Also a floor.
10/2,683 commits declaring an agent · Amp, Claude, GitHub Copilot
confidence: moderate
  • 18% 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
  • deep scan blamed 677 of 678 counted files
8,217 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 ↑
A note that does not affect this rating
01.6

caddyconfig/httpcaddyfile/httptype.go is 1,931 lines, 11× this codebase's median file

adequate

The median source file here is 164 lines. 4 files exceed 1,640 lines, the largest being 1,931. 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.

A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count.

Evidence
line-count caddyconfig/httpcaddyfile/httptype.go:1 — 1,931 lines (11× median)
line-count modules/caddyhttp/reverseproxy/reverseproxy.go:1 — 1,903 lines (11× median)
line-count modules/caddyhttp/matchers.go:1 — 1,796 lines (10× median)
line-count modules/caddyhttp/reverseproxy/caddyfile.go:1 — 1,702 lines (10× 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 ↑

No finding. 16 checks ran and none fired; the rejection log below says why each did not.

Organization & Key-Person Risk

03 · strong · ratings ↑

No finding. 10 checks ran and none fired; the rejection log below says why each did not.

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 ↑
05.65

18 advisories against this project in the last 24 months, 9 high or critical

adequate

The newest was published on 2026-07-20. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. The record is incomplete: NVD: 8 records name caddy with nothing tying them to this repository (CVE-2017-5963, CVE-2018-19148, CVE-2022-28923, …).

Evidence
CVE-2026-46415 2026-07-20: CVE-2026-46415 (high): The Caddy Defender plugin is a middleware for Caddy that allows users to block or manipulate requests based on the client's IP address. Prior to version 0.10.1,
GHSA-j8px-rmrx-76h9 2026-07-10: GHSA-j8px-rmrx-76h9 (moderate), fixed in 2.11.4: Caddy: rewrite placeholder re-expansion, unbounded body buffer DoS, and fileHidden case-sensitivity bypass
GHSA-6365-7ppr-5r92 2026-07-10: GHSA-6365-7ppr-5r92 (moderate), fixed in v.2.11.5: Connection created for the wrong upstream for forward_auth + reverse_proxy
GHSA-f59h-q822-g45g 2026-06-08: GHSA-f59h-q822-g45g (high), fixed in 2.11.4: Caddy: FastCGI header normalization bypass in `forward_auth copy_headers`
GHSA-qrp7-cvwr-j2c6 2026-06-08: GHSA-qrp7-cvwr-j2c6 (high), fixed in 2.11.4: Caddy: Windows `file_server` path authorization bypass via encoded backslash
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.

A note that does not affect this rating
05.26

6 locked dependencies have published vulnerabilities

adequate

6 of 169 locked dependencies match 6 published advisories in OSV. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version. This lockfile pins development tools alongside what ships and does not say which is which, so some of these may never reach a user.

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

Evidence
go.mod go.mod — go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.20.0: GHSA-w34q-cm8f-9c5x (moderate), fixed in 0.21.0
go.mod go.mod — go.opentelemetry.io/otel/sdk/log v0.20.0: GHSA-hjf4-fphr-2h65 (moderate), fixed in 0.21.0
go.mod go.mod — go.opentelemetry.io/otel/sdk v1.44.0: GHSA-8wmf-6v46-5gfg (low), fixed in 1.45.0
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 · not assessable · ratings ↑

Not rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it. What a person adds here.

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

1 check 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 No architecture or design document is in the tree, across 240 product files. Where does the design live, and who holds it? Answer lives in: The team01.38
  2. Is the architecture right for the next three years of the product? Answer lives in: Your architects, with the product roadmap01.39
  3. 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 One contributor authored a quarter or more of the commits in this history. Is that person part of the transaction, and for how long after it? 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. Can this team deliver the stated roadmap on the stated timeline? Answer lives in: The data room and the team's record of estimates04.32
  2. Does leadership know about the debt, and is time budgeted to repay it? Answer lives in: Budget and roadmap decisions04.31
  3. 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 05.5 found credential-shaped strings in this repository. Was each one revoked at the provider? Deleting it from the code revokes nothing; only the provider's audit log shows that it was. Answer lives in: The provider's console and audit log05.38
  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

Not rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it.

  1. Are the dashboards opened, the alerts acknowledged and the pages answered? Answer lives in: Pager history and dashboard logs06.29
  2. Are the service-level objectives actually met? Answer lives in: Production metrics06.30
  3. Who carries the pager, and how often does it go off? Answer lives in: Pager exports and interviews06.31
  4. 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 Go codebase. Does your engineering organisation already run Go in production, or would this be the first? 07.1
  2. The bulk of this system sits in modules/, caddytest/, caddyconfig/. Which of your existing systems would each of those have to absorb or replace? 07.10
  3. Nothing in the repository says how this is deployed. Is it shipped as a library, a binary or a service, and if it runs somewhere, who owns that environment? 07.2
  4. 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?
  5. Which of these systems duplicate yours, and which get retired? Answer lives in: Your architecture07.11
  6. What will integration cost, and in what order? Answer lives in: The engagement07.12
  7. Where does the team land in your organisation, and who reports to whom? Answer lives in: Your org design07.13
  8. Are there earn-outs, retention packages or contractor IP to assign? Answer lives in: Deal terms07.14
  9. 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.

Embed the badge

Tied to this commit and this date, and it fades after 90 days — an honest badge is one that expires. A repository with significant findings gets a neutral "read" badge rather than a red one: the library is where the range is visible, not someone else's README.

Borehole badge for caddyserver/caddy
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Was this reading useful?
Rejection log — 100 signals that ran and did not fire

Appendix: rejection log — 100 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 — 67

SignalWhat it found
04.hotspot_concentration change is spread across the codebase rather than pooling in a few filesfiles 952 · top5 share 0.131
04.debt_markers debt markers are sparsemarkers 85 · per kloc 0.74 · lines read 115,619
04.dependency_sprawl direct dependency counts are unremarkable
04.test_growth test effort kept pace with code writtenlate test per code 0.746 · early test per code 0.221
04.churn_trend rework is not rising against new worklate delete per insert 0.388 · early delete per insert 0.361
04.fixes_with_tests fixes usually come with a testfixes 119 · share 0.462 · with tests 55
04.fix_share_trend fixing is not crowding out building
04.compat_layers little code is kept for the old wayshare 0.0 · code files 221 · compat files 0
06.telemetry_presence this repository does not deploy a running service, so instrumentation is not expected of itbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere · files read 428
06.structured_logging not a running service; structured logging is not expected of a librarybasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.healthcheck_presence not a running service, so a health endpoint is not expectedbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.usage_reporting_default the product's code names no reporting hostsettings on 0 · settings off 0
06.migrate_on_start migrations do not run at container start
03.contributor_concentration no single contributor dominates the last 24 monthsyears 7.5 · window last 24 months · authors 442
03.active_contributors more than one contributor active in the trailing yearall time 442 · active 12mo 123
03.knowledge_silos every substantial directory has been touched by more than one personauthors 442 · directories 5
03.drive_by_contributors an open contributor base, where one-commit contributors are normalauthors 442 · one off share 0.744
03.contributor_attrition the dominant contributor is still activeauthors 442 · top share a quarter or more · top contributor last committed between three and six months ago
03.critical_path_ownership more than one person changes the critical pathsauthors 183
03.second_contributor_attrition the second and third contributors are still active
03.bus_factor_trend the team has not narrowed to one person
03.joiners_and_leavers the team is not shrinkingleft 2 · joined 12 · regular last year 19
02.merge_discipline a meaningful share of recent change carries evidence of reviewmerges 0 · window last 24 months · with tracked 17
02.ci_presence CI configuration is present in the working treecount 8
02.test_presence tests are present in a normal proportion to sourcetests 141 · source 362 · test ratio 0.39
02.release_cadence tags are presenttags 157
02.conventional_commits commit subjects generally carry contentsampled 2,683 · low content share 0.003
02.branch_protection_hints process scaffolding is present in the repository
02.ci_runs_tests CI invokes a test runnerconfigs 8 · with tests 1
02.skipped_tests few tests are switched offfocused 0 · skipped 0 · test files 424
02.ci_test_gating no test run in CI is written so that it cannot failconfigs 8
02.revert_share change is rarely undoneshare 0.005 · reverts 3 · recent commits 579
02.dependency_update_cadence dependencies move with the codelockfiles 1 · commits since 12 · days since lockfile changed 9
02.flaky_test_markers tests are not retried until they passtest retries 0 · suite retries 0
02.lint_in_build a linter or formatter runs in the buildwired 2 · ci configs 8 · product files 221
02.commit_size changes arrive in reviewable sizesshare 0.002 · commits 509 · over 2000 lines 1
01.burst_import no commit run met both the rate and the net-addition thresholdgap seconds 180 · min add ratio 3.0 · min net added 2,000
01.initial_dump first commit is not a disproportionate share of the codebaseinsertions 360 · share of insertions 0.0018
01.message_uniformity commit subjects vary in wording and lengthlength stdev 16.3 · repeat share 0.024
01.revision_depth most files were revisited after they were first writtenfiles seen 237 · write once share 0.165
01.duplicated_blocks little shipping code is repeated verbatim across filesshare 0.0063 · product files 221 · distinct blocks 40,779
01.swallowed_errors errors are rarely thrown awayloc 116,020 · files 0 · per kloc 0.0
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 428
05.security_guardrails at least one standard guard rail is configured
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.supply_chain_pinning third-party build steps are pinned, or fewaction refs 47 · pipe to shell 0 · unpinned third party 0
05.shell_from_strings product code does not build shell commands from stringssites 0
05.unsafe_deserialization no code-executing deserialiser in product codesites 0
05.tls_verification_off no TLS verification is switched off in product codefiles 0 · sites 0 · pinned instead 1
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_vendored_unlicensed no vendored third-party code is committedcomponents 0
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 8
04.dependency_churn few dependencies were added and dropped within 60 daysdependencies seen 263 · added in two years 49 · 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
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 28.0 · days since last tag -7 · commits last 90 days 87
04.release_branch the newest release, v2.11.7, was made after the surveyed commit on the branch surveyedelsewhere 9 · on branch 98 · tags in window 110
03.single_maintainer no file says one person maintains itstatements 0

Could not conclude, or did not apply — 33

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

SignalWhy
04.eol_runtimeno pinned runtime version to check
04.schema_churnno schema migrations to read
04.dependency_redundancyno JavaScript manifest to read
06.telemetry_depthnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.print_loggingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.correlation_idsnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.error_reportingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.alert_rulesnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.deployed_image_floatsnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.probes_identicalno Kubernetes probes
06.single_replicano Kubernetes deployments
06.environment_branchingnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.release_markersnot expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere
06.feature_flagsno feature-flag service; flags may live elsewhere
02.long_lived_branchestoo few merges to judge (squash and rebase leave none)
01.build_reproducibilityno product Dockerfile to read
01.notebook_outputsnot a data or machine-learning repository
05.dependency_pinningno manifest whose pinning can be read without a lockfile
05.container_runs_as_rootno Dockerfile to read
05.outbound_timeoutsnot a running service
05.migration_reversibilitytoo few migrations to judge
05.sql_from_stringsnot a running service; a library that builds SQL is doing its job
05.resource_limitsno Kubernetes workload manifests
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_copyleft_inheritedno third-party code is committed to this repository, so the licences it depends on are resolved at build time and are not readable here
05.license_manifest_conflictno packaging manifest states a licence
04.flags_accumulatingfew or no feature flags in the history
04.api_versions_coexistingnot a running service
05.project_exploitedno affecting advisory is on CISA's Known Exploited list
BOREHOLE READING NOT A CERTIFICATION 02MH-YZC8-121H 2026-10-04 · 69EC5DF BOREHOLE.DEV/VERIFY

Anyone can check this report against the authoritative record — click the stamp, or enter 02MH-YZC8-121H 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/caddyserver/caddy/69ec5df.svg "Borehole free reading: not for reliance. See the full report.")](https://borehole.dev/verify/02MHYZC8121H?via=badge)

Borehole reading 02MH-YZC8-121H, not a certification

This commit has been surveyed 13 times

A survey is a reading by a particular version of the assessor. Older readings are kept rather than replaced, because a verification mark attests to the survey it was issued for — overwriting one would make every code already in circulation read as tampered.

ReadAssessorFindingsBand
2026-10-04 · shown borehole 0.7.13 6 strong
12 earlier (show)
2026-10-03 borehole 0.7.12 6 strong
2026-10-03 borehole 0.7.11 6 strong
2026-10-02 borehole 0.7.10 6 strong
2026-10-01 borehole 0.7.9 6 strong
2026-09-30 borehole 0.7.8 6 strong
2026-09-29 borehole 0.7.6 6 strong
2026-09-28 borehole 0.7.5 6 strong
2026-09-28 borehole 0.7.4 6 strong
2026-09-27 borehole 0.7.3 5 strong
2026-09-27 borehole 0.7.2 6 strong
2026-09-27 borehole 0.7.1 6 strong
2026-09-26 borehole 0.7.0 6 strong

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 — 3 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 re-read from the facts kept at the last survey; nothing was cloned facts version: 1d7c04ef8dca7905
6.3s ran the deterministic checks blame pass: Trueread working tree: False
6.3s recorded where this scan ran attested: Falseenvironment: cloud-run

Total 6.3s ·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 0.7.13 DETERMINISTIC LAYER · NO MODEL CALLSREAD ON BOREHOLE'S SERVER · CLONE DELETED TAKEDOWNCONTRIBUTED TO THIS REPOSITORY? YOUR RIGHTS