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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.","context_why":"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."}],"signals_run":11,"conclusive_signals":10,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"No architecture or design document is in the tree, across 572 product files.","question":"Where does the design live, and who holds it?"},{"id":"01.39","kind":"H","where":"Your architects, with the product roadmap","question":"Is the architecture right for the next three years of the product?"},{"id":"01.40","kind":"H","where":"The team's reasoning at the time","question":"Were the home-grown components reasonable choices when they were made, and are they now?"}]},{"id":"02","band":"adequate","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[{"id":"02.24","band":"adequate","layer":"deterministic","title":"7% of recent commits change more than 2,000 lines","signal":"commit_size","weight":"corroborating","evidence":[{"ref":"git log --numstat","kind":"metric","detail":"121 commits over 2,000 lines"}],"observed":{"share":0.066,"commits":1827,"over_2000_lines":121},"dimension":"02","rationale":"121 of 1827 commits in the last 24 months changed over 2,000 lines of code, not counting reformatting, renames, vendored or generated code. 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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."},{"id":"05.27","band":"adequate","layer":"deterministic","title":"The build runs third-party code it does not pin","signal":"supply_chain_pinning","weight":"corroborating","context":true,"evidence":[{"ref":".oss-scanner/Dockerfile","kind":"path","path":".oss-scanner/Dockerfile","detail":"download piped into a shell","line_end":28,"line_start":28}],"observed":{"action_refs":82,"pipe_to_shell":2,"unpinned_third_party":0},"dimension":"05","rationale":"2 steps pipe a download straight into a shell. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. 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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. None of the high or critical ones is in what the product ships: the project marks 4 as not affecting it, with its reason beside the reference; some are pinned to a commit or a branch.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.65","band":"adequate","layer":"deterministic","title":"5 advisories against this project in the last 24 months, 1 high or critical","signal":"advisory_record","weight":"corroborating","context":true,"evidence":[{"ref":"GHSA-qxh6-6qr5-cmv3","kind":"advisory","detail":"2026-09-01: GHSA-qxh6-6qr5-cmv3 (moderate), fixed in v2.3.8: SDS gRPC server binds 0.0.0.0:8234 with no authentication and serves the gateway's Istio mTLS private key; any pod on the cluster network can exfiltrate it (ide"},{"ref":"GHSA-36fr-64g3-wqx4","kind":"advisory","detail":"2026-08-11: GHSA-36fr-64g3-wqx4 (moderate), fixed in 2.2.7: kgateway OAuth2 GatewayExtension cross-namespace ReferenceGrant bypass"},{"ref":"GHSA-4766-x535-jw3r","kind":"advisory","detail":"2025-11-04: GHSA-4766-x535-jw3r (moderate), fixed in 2.0.5: kgateway is missing xDS authorization"},{"ref":"GHSA-5pmx-7r6r-wfqq","kind":"advisory","detail":"2025-11-04: GHSA-5pmx-7r6r-wfqq (moderate), fixed in 2.0.5: Kgateway transformation policy template can emit files from the container "},{"ref":"GHSA-49gr-cc65-hxgw","kind":"advisory","detail":"2025-07-24: GHSA-49gr-cc65-hxgw (critical): Command injection via `issue_comment` in GitHub Action"}],"observed":{"newest":"2026-09-01","critical":1,"affecting":0,"could_not_tell":3,"last_24_months":5,"sources_failed":[],"known_exploited":0,"high_or_critical":1},"dimension":"05","rationale":"The newest was published on 2026-09-01. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. Whether 3 of them are fixed in the code you ship could not be told from this history: its version is only known to be at least 2.1.0. Answer lives in: the release you run, set against each fixed version.","context_why":"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."}],"signals_run":34,"conclusive_signals":24,"what_a_person_adds":[{"id":"05.43","kind":"H+","where":"The security owner","measured":"A threat model is in the tree (THREAT_MODEL.md).","question":"Does it name the assets this code actually handles, and is it current against the deployment?"},{"id":"05.41","kind":"H","where":"Ticketing and chat","question":"What has actually broken, how often, and how badly?"},{"id":"05.42","kind":"H","where":"Reports in the data room","question":"What did external testing find, and was it fixed?"},{"id":"05.44","kind":"H","where":"Audit reports; policy files in the tree are not evidence","question":"What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence?"}]},{"id":"06","band":"strong","name":"Observability & Operations","coverage":"partial","findings":[{"id":"06.9","band":"adequate","layer":"deterministic","title":"No error reporter is wired in","signal":"error_reporting","weight":"corroborating","context":true,"evidence":[{"ref":"error reporting","kind":"metric","detail":"no error reporter initialised"}],"observed":{"installed":[],"initialised":0,"config_files":0},"dimension":"06","rationale":"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.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."}],"signals_run":16,"conclusive_signals":13,"what_a_person_adds":[{"id":"06.19","kind":"H+","where":"The operations team","measured":"Nothing in the tree backs up or restores data.","question":"How is data backed up, and has a restore ever been rehearsed?"},{"id":"06.10","kind":"H+","where":"The alerting tool and the on-call rota","measured":"No alert rule is defined in the repository.","question":"Where are alerts defined, who receives them, and when did one last fire?"},{"id":"06.29","kind":"H","where":"Pager history and dashboard logs","question":"Are the dashboards opened, the alerts acknowledged and the pages answered?"},{"id":"06.30","kind":"H","where":"Production metrics","question":"Are the service-level objectives actually met?"},{"id":"06.31","kind":"H","where":"Pager exports and interviews","question":"Who carries the pager, and how often does it go off?"},{"id":"06.32","kind":"H","where":"Cloud billing and capacity plans","question":"What does it cost to run, and how much headroom is there?"}]},{"id":"07","band":"not assessable","name":"Fit with the Acquirer","coverage":"none","findings":[],"signals_run":0,"conclusive_signals":0,"what_a_person_adds":[{"id":"07.1","kind":"H+","question":"This is primarily a Go codebase. Does your engineering organisation already run Go in production, or would this be the first?"},{"id":"07.10","kind":"H+","question":"The bulk of this system sits in internal/, pkg/, install/. Which of your existing systems would each of those have to absorb or replace?"},{"id":"07.2","kind":"H+","question":"The repository carries deployment configuration (.oss-scanner/Dockerfile and 38 more). Does that match your deployment and on-call model, or does it need rehosting first?"},{"id":null,"kind":"H+","question":"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?"},{"id":"07.11","kind":"H","where":"Your architecture","question":"Which of these systems duplicate yours, and which get retired?"},{"id":"07.12","kind":"H","where":"The engagement","question":"What will integration cost, and in what order?"},{"id":"07.13","kind":"H","where":"Your org design","question":"Where does the team land in your organisation, and who reports to whom?"},{"id":"07.14","kind":"H","where":"Deal terms","question":"Are there earn-outs, retention packages or contractor IP to assign?"},{"id":"07.15","kind":"H","where":"Customer contracts","question":"Do customer contracts limit hosting, regions or vendors?"}],"not_assessable_reason":"structurally not assessable from a 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