{"schema":"threatline.record/2","record":{"id":"CVE-2026-94444","aliases":[],"summary":"Checksum bypass for golang.org/fips140 in cmd/go","details":"Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/fips140 and operates a malicious GOMODPROXY the user chooses to connect to can serve an arbitrary module in its place. We now unpack the trusted ziphash for the bundled golang.org/fips140 module and construct its entry in the GOMODCACHE such that it can be verified by the toolchain.","categories":["Unclassified"],"product":"cmd/go","vendor":"Go toolchain","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94444","source_modified_at":"2026-10-15T15:33:40.198Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"cmd/go","vendor":"Go toolchain","versions":[{"version":"0","lessThan":"1.26.9","status":"affected","versionType":"semver"},{"version":"1.27.0-0","lessThan":"1.27.2","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94444","source_modified_at":"2026-10-15T15:33:40.198Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"cmd/go","ecosystem":null},"version":"1.26.9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94444","source_modified_at":"2026-10-15T15:33:40.198Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"cmd/go","ecosystem":null},"version":"1.27.2","basis":"first unaffected version stated in the CVE record"}],"cvss":7.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00094,"percentile":0.00563,"score_date":"2026-10-23"},"published_at":"2026-10-08T22:53:57.787Z","modified_at":"2026-10-15T15:33:40.198Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-94444","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T15:33:40.198Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-94444","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://go.dev/cl/840685"},{"source":"CVE List","url":"https://go.dev/issue/81833"},{"source":"CVE List","url":"https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"},{"source":"CVE List","url":"https://pkg.go.dev/vuln/GO-2026-6601"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-15T15:33:33.270418Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T15:33:40.198Z","content_hash":"f18d380db3c0e1b381cd85c223ee95c6098f4976559191b62359f4fe28243a5e"}}