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median)","line_end":3347,"line_start":1},{"ref":"line-count","kind":"path","path":"libcalico-go/lib/ipam/ipam.go","detail":"2,803 lines (23× median)","line_end":2803,"line_start":1},{"ref":"line-count","kind":"path","path":"felix/bpf-gpl/tc.c","detail":"2,517 lines (21× median)","line_end":2517,"line_start":1}],"observed":{"largest":6180,"library":{"n":382,"share":56,"value":51.9,"cutoff":138.63,"material":false,"percentile":85},"threshold":1190,"files_over":45,"median_lines":119},"dimension":"01","rationale":"The median source file here is 119 lines. 45 files exceed 1,190 lines, the largest being 6,180. 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."},{"id":"01.25","band":"adequate","layer":"deterministic","title":"1 base image floats: no version, or `latest`","signal":"build_reproducibility","weight":"corroborating","evidence":[{"ref":"whisker/docker-image/Dockerfile","kind":"path","path":"whisker/docker-image/Dockerfile","detail":"base image without a version","line_end":17,"line_start":17}],"observed":{"floating":1,"from_lines":20},"dimension":"01","rationale":"1 of 20 `FROM` lines in product Dockerfiles name an image without a version, or with `latest`. Each build pulls whatever the registry serves that day, so the image that ships can change without a commit, and last month's build cannot be reproduced. Pin a version, or a digest."}],"signals_run":11,"conclusive_signals":10,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"The tree carries design documentation (DESIGN.md and 13 more).","question":"Does it match what the team believes today? Ask them to walk through it against the code."},{"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":"strong","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[],"signals_run":16,"conclusive_signals":16,"what_a_person_adds":[{"id":"02.32","kind":"H","where":"The code host's pull request data","question":"Is review real or a rubber stamp? Comment depth and time to approve need the pull request history."},{"id":"02.38","kind":"H","where":"The issue tracker: backlog, sprint history, estimate accuracy","question":"Is delivery planned and measured, or heroic?"},{"id":"02.37","kind":"H","where":"Tickets, chat and postmortems","question":"How are incidents run, reviewed and learned from?"}]},{"id":"03","band":"strong","name":"Organization & Key-Person Risk","coverage":"partial","findings":[],"signals_run":10,"conclusive_signals":10,"what_a_person_adds":[{"id":"03.29","kind":"H+","where":"The deal terms","measured":"765 people have committed here.","question":"Which of them are you acquiring, and which are you replacing?"},{"id":"03.28","kind":"H","where":"The team; review history only suggests candidates","question":"Who mentors whom, and would that survive a departure?"},{"id":"03.30","kind":"H","where":"Recruiting data and the org chart","question":"Can the team grow, and who stands behind the top three contributors?"},{"id":"03.31","kind":"H","where":"HR data","question":"Is the seniority mix sound, and will pay survive your salary bands?"},{"id":"03.14","kind":"H","where":"Interviews and on-call history","question":"Is the pace sustainable? Commit times cannot say: git keeps no reliable local time."},{"id":"03.32","kind":"H","where":"Interviews","question":"Does the team want to stay after close?"},{"id":"03.33","kind":"H","where":"Time with the team","question":"How are decisions made and disagreements resolved?"}]},{"id":"04","band":"adequate","name":"Product & Engineering Maturity","coverage":"minimal","findings":[{"id":"04.3","band":"adequate","layer":"deterministic","title":"139 direct dependencies in a single manifest","signal":"dependency_sprawl","weight":"corroborating","evidence":[{"ref":"direct-dependencies","kind":"path","path":"go.mod","detail":"139 declared"},{"ref":"direct-dependencies","kind":"path","path":"whisker/package.json","detail":"35 declared"},{"ref":"direct-dependencies","kind":"path","path":"api/go.mod","detail":"10 declared"},{"ref":"direct-dependencies","kind":"path","path":"lib/httpmachinery/go.mod","detail":"8 declared"}],"observed":{"set_aside":{"node/calico_test/requirements.txt":"not product code (test)"},"by_manifest":{"go.mod":139,"api/go.mod":10,"lib/std/go.mod":0,"lib/kind/go.mod":4,"lib/logrusr/go.mod":1,"operator/api/go.mod":4,"whisker/package.json":35,"lib/httpmachinery/go.mod":8,"lib/datastructures/go.mod":1,"networking-calico/requirements.txt":3}},"dimension":"04","rationale":"go.mod declares 139 direct dependencies. Each one is a maintenance obligation, a supply-chain surface and a potential licence question that transfers with the asset. The count says nothing about whether any given dependency was a good choice; it says how many such choices a buyer inherits."},{"id":"04.17","band":"adequate","layer":"deterministic","title":"Python 3.8 is past end of life","signal":"eol_runtime","weight":"corroborating","context":true,"evidence":[{"ref":"networking-calico/Dockerfile","kind":"path","path":"networking-calico/Dockerfile","detail":"Python 3.8, end of life 2024-10-07"}],"observed":{"pinned":["node 22","python 3.8"],"eol_as_of":"2026-09-24"},"dimension":"04","rationale":"The code is pinned to Python 3.8 (end of life 2024-10-07). None of these receives security fixes any more; the first stopped on 2024-10-07. Moving off an unsupported runtime is rarely a one-line change, so a buyer should ask whether the upgrade is planned and what it touches.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"04.62","band":"adequate","layer":"deterministic","title":"Releases are cut from another branch than the one surveyed","signal":"release_branch","weight":"corroborating","context":true,"evidence":[{"ref":"fbaa37111","kind":"commit","detail":"tag v3.33.0"}],"observed":{"elsewhere":176,"on_branch":72,"tags_in_window":248,"direction_known":true,"later_on_branch":0},"dimension":"04","rationale":"The newest release, v3.33.0, is not on the branch this survey read; the newest release on it is v3.18.5. The shipped product may differ from what this report describes. Survey the release branch too.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."}],"signals_run":19,"conclusive_signals":17,"what_a_person_adds":[{"id":"04.11","kind":"H+","where":"The team","measured":"3,398 commits landed in the last year, against 1,772 the year before (+92%).","question":"What drove it: new people, a deadline, or code produced faster than before?"},{"id":"04.32","kind":"H","where":"The data room and the team's record of estimates","question":"Can this team deliver the stated roadmap on the stated timeline?"},{"id":"04.31","kind":"H","where":"Budget and roadmap decisions","question":"Does leadership know about the debt, and is time budgeted to repay it?"},{"id":"04.33","kind":"H","where":"Revenue, customer and churn data","question":"Is the engineering shape consistent with the commercial story?"}]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.5","band":"adequate","layer":"deterministic","title":"25 credential-shaped strings added in the history sit in tests, examples, documentation or local development settings","signal":"secrets_in_history","weight":"corroborating","context":true,"evidence":[{"kind":"metric","ref":"history","detail":"5 cited: private key block, where fakes are usual"}],"observed":{"sample_matches":25,"inert_tokens_set_aside":0},"dimension":"05","rationale":"Strings shaped like credentials appear only where fakes are usual: test fixtures, examples, documentation, placeholders and local stacks. They are almost always fakes. Ask someone to confirm that none of them works anywhere, because a real key in a development file is still a real key.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects.","locations_withheld":5},{"id":"05.6","band":"adequate","layer":"deterministic","title":"7 Dockerfiles run the application as root","signal":"container_runs_as_root","weight":"corroborating","evidence":[{"ref":"no-USER-instruction","kind":"path","path":".oss-scanner/Dockerfile","detail":"runs as root"},{"ref":"no-USER-instruction","kind":"path","path":"felix/docker-image/Dockerfile","detail":"runs as root"},{"ref":"no-USER-instruction","kind":"path","path":"goldmane/docker/flowgen/Dockerfile","detail":"runs as root"},{"ref":"no-USER-instruction","kind":"path","path":"networking-calico/Dockerfile","detail":"runs as root"}],"observed":{"rootful":7,"dockerfiles":9},"dimension":"05","rationale":"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."},{"id":"05.25","band":"adequate","layer":"deterministic","title":"2 environment files are committed","signal":"secrets_management_pattern","weight":"corroborating","context":true,"evidence":[{"ref":"whisker/.env","kind":"path","path":"whisker/.env","detail":"committed environment file"},{"ref":"whisker/.env.production","kind":"path","path":"whisker/.env.production","detail":"committed environment file"}],"observed":{"env_files":2},"dimension":"05","rationale":"whisker/.env, whisker/.env.production are tracked in git. Environment files are where credentials usually live, and committing one usually means nobody decided how secrets reach the running application. Whatever is in it is in the history for good. Check 05.1 says whether it holds anything credential-shaped.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.13","band":"adequate","layer":"deterministic","title":"4 outbound calls can wait forever","signal":"outbound_timeouts","weight":"corroborating","context":true,"evidence":[{"ref":"cni-plugin/pkg/plugin/plugin.go","kind":"path","path":"cni-plugin/pkg/plugin/plugin.go","detail":"outbound call without a timeout","line_end":124,"line_start":124},{"ref":"felix/k8sfv/metric.go","kind":"path","path":"felix/k8sfv/metric.go","detail":"outbound call without a timeout","line_end":28,"line_start":28},{"ref":"goldmane/cmd/health/main.go","kind":"path","path":"goldmane/cmd/health/main.go","detail":"outbound call without a timeout","line_end":38,"line_start":38}],"observed":{"calls_without_timeout":4},"dimension":"05","rationale":"4 HTTP calls use a client with no timeout (Python `requests` without `timeout=`, or Go's default client). When a dependency slows down, each one holds a worker until the connection gives up, and enough of them take the service down with the dependency.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.21","band":"adequate","layer":"deterministic","title":"2 shell commands built from strings","signal":"shell_from_strings","weight":"corroborating","context":true,"evidence":[{"ref":"networking-calico/networking_calico/agent/dhcp_agent.py","kind":"path","path":"networking-calico/networking_calico/agent/dhcp_agent.py","detail":"command run through a shell","line_end":211,"line_start":211},{"ref":"networking-calico/networking_calico/agent/dhcp_agent.py","kind":"path","path":"networking-calico/networking_calico/agent/dhcp_agent.py","detail":"command run through a shell","line_end":212,"line_start":212}],"observed":{"sites":2},"dimension":"05","rationale":"2 places run a command through a shell (`shell=True`, `os.system`, `exec` with a template) rather than passing arguments. Where any part comes from outside, it is command injection. Ask where each one's input comes from.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.45","band":"adequate","layer":"deterministic","title":"14 workload settings give a container the host","signal":"privileged_workloads","weight":"corroborating","evidence":[{"ref":"charts/tigera-operator/templates/tigera-operator/00-uninstall.yaml","kind":"path","path":"charts/tigera-operator/templates/tigera-operator/00-uninstall.yaml","detail":"privileged or host namespace","line_end":32,"line_start":32},{"ref":"charts/tigera-operator/templates/tigera-operator/02-tigera-operator.yaml","kind":"path","path":"charts/tigera-operator/templates/tigera-operator/02-tigera-operator.yaml","detail":"privileged or host namespace","line_end":49,"line_start":49},{"ref":"goldmane/config/testserver-daemonset.yaml","kind":"path","path":"goldmane/config/testserver-daemonset.yaml","detail":"privileged or host namespace","line_end":15,"line_start":15}],"observed":{"sites":14,"behind_a_setting_or_built_here":0},"unproven":true,"dimension":"05","rationale":"14 places in the deployment configuration run a container privileged or in the host's network, process or IPC namespace. A compromise of that container is a compromise of the machine, and most acquirers' security reviews block it. Node agents (network, storage, monitoring) are excluded."},{"id":"05.9","band":"adequate","layer":"deterministic","title":"3 vendored components with no licence","signal":"license_vendored_unlicensed","weight":"corroborating","context":true,"evidence":[{"ref":"third_party/envoy-gateway","kind":"path","path":"third_party/envoy-gateway","detail":"3 tracked files, no licence file"},{"ref":"third_party/envoy-proxy","kind":"path","path":"third_party/envoy-proxy","detail":"2 tracked files, no licence file"},{"ref":"third_party/envoy-ratelimit","kind":"path","path":"third_party/envoy-ratelimit","detail":"3 tracked files, no licence file"}],"observed":{"unlicensed":["third_party/envoy-gateway","third_party/envoy-proxy","third_party/envoy-ratelimit"],"total_components":8,"stated_in_headers_or_notices":5},"dimension":"05","rationale":"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.","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":"6 advisories against this project in the last 24 months, 2 high or critical","signal":"advisory_record","weight":"corroborating","context":true,"evidence":[{"ref":"CVE-2026-41186","kind":"advisory","detail":"2026-07-30: CVE-2026-41186 (moderate): When Calico's shared debug server is enabled (disabled by default), the Calico kube-controllers and Goldmane components bind their Go pprof debug listener to 0."},{"ref":"CVE-2026-41187","kind":"advisory","detail":"2026-07-30: CVE-2026-41187 (moderate): Calico's apiserver wraps tier-scoped resources so that every operation runs through AuthorizeTierOperation, but the Delete override on NetworkPolicy, GlobalNetw"},{"ref":"CVE-2026-6540","kind":"advisory","detail":"2026-07-30: CVE-2026-6540 (high): Calico's Application Layer Policy (disabled by default), which enforces HTTP rules through Dikastes, fails to perform URL path normalization. As a result, HTTP "},{"ref":"GHSA-9p7w-w5q6-mxj3","kind":"advisory","detail":"2026-05-28: GHSA-9p7w-w5q6-mxj3 (moderate), fixed in 3.31.6: Calico Inserts Sensitive Information into Log File"},{"ref":"GHSA-m67g-87rx-v42c","kind":"advisory","detail":"2026-05-28: GHSA-m67g-87rx-v42c (moderate), fixed in 3.31.6: Calico Inserts Sensitive Information into Log File"}],"observed":{"newest":"2026-07-30","critical":0,"affecting":0,"could_not_tell":0,"fix_unreleased":0,"last_24_months":6,"sources_failed":[],"known_exploited":0,"high_or_critical":2,"record_incomplete":["NVD: 1 record names calico with nothing tying it to this repository (CVE-2022-28224)"],"affecting_newest_release_only":2},"dimension":"05","rationale":"The newest was published on 2026-07-30. 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 commit. GHSA-9p7w-w5q6-mxj3 (moderate), GHSA-m67g-87rx-v42c (moderate) are fixed in the surveyed commit; which release carries them cannot be told from this history, which does not place the release users run. Answer lives in: the version you run. The record is incomplete: NVD: 1 record names calico with nothing tying it to this repository (CVE-2022-28224).","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":26,"what_a_person_adds":[{"id":"05.43","kind":"H+","where":"The security owner","measured":"A threat model is in the tree (.oss-scanner/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":"adequate","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."},{"id":"06.35","band":"adequate","layer":"deterministic","title":"Sends usage data to usage.projectcalico.org by default","signal":"usage_reporting_default","weight":"corroborating","evidence":[{"ref":"felix/usagerep/usagerep.go","kind":"path","path":"felix/usagerep/usagerep.go","detail":"reports to usage.projectcalico.org","line_end":34,"line_start":34},{"ref":"felix/config/config_params.go","kind":"path","path":"felix/config/config_params.go","detail":"the reporting setting is on by default","line_end":462,"line_start":462}],"observed":{"settings_on":1,"settings_off":1,"reporting_hosts":["usage.projectcalico.org"]},"dimension":"06","rationale":"felix/usagerep/usagerep.go sends to usage.projectcalico.org, and felix/config/config_params.go leaves reporting on as shipped. Every installation reports to the vendor unless its operator turns this off. For a buyer running it inside their own product, that is an outbound data flow to a third party: ask what is sent, how often, and whether the buyer's customers were told."},{"id":"06.18","band":"adequate","layer":"deterministic","title":"7 of 17 deployed images carry no version, or `latest`","signal":"deployed_image_floats","weight":"corroborating","context":true,"evidence":[{"ref":"charts/calico/values.yaml","kind":"path","path":"charts/calico/values.yaml","detail":"image without a version","line_end":7,"line_start":7},{"ref":"charts/calico/values.yaml","kind":"path","path":"charts/calico/values.yaml","detail":"image without a version","line_end":10,"line_start":10},{"ref":"charts/calico/values.yaml","kind":"path","path":"charts/calico/values.yaml","detail":"image without a version","line_end":13,"line_start":13}],"observed":{"images":17,"floating":7},"dimension":"06","rationale":"7 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.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."}],"signals_run":16,"conclusive_signals":14,"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":"Alert rules are defined in the repository.","question":"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 felix/, pkg/, manifests/. Which of your existing systems would each of those have to absorb or replace?"},{"id":"07.9","kind":"H+","question":"32% of lines added in the last 12 months (8% of added lines) 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?"},{"id":"07.2","kind":"H+","question":"The repository carries deployment configuration (.oss-scanner/Dockerfile and 77 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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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.","surviving_total_lines":null},"reliance":"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).","published_under_todays_rules":["4 findings from checks Borehole's calibration found wrong more often than right are no longer published.","The file and line of 5 credential-shaped matches are withheld. File and line are shown to whoever GitHub says controls this repository, signed in, and to a buyer of this report."]}