{"id":"EUVD-2026-123107","revision":null,"records":[{"revision":"34a34d564e8f4fd3a64eb8f84722f4e3","observedAt":"2026-11-11T04:25:37.534+00:00","statement":{"source":"cve-program","id":"CVE-2026-97038","aliases":[],"title":"Arbitrary code execution via crafted .syso files and cgo linker input files in cmd/go","description":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time. Linker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFLAGS\", and libraries in \"-L\" directories—were passed to the external linker without validating their format or checking for embedded linker options. Across platforms, this allowed executing GNU ld implicit linker scripts disguised as libraries or \".syso\" files (or loaded via \"-l:<filename>\" or \"-l\" containing path separators), injecting unallowlisted linker flags via PE/COFF \".drectve\" sections on Windows or Mach-O \"LC_LINKER_OPTION\" load commands on Darwin, or invoking LTO plugins via GCC or LLVM LTO intermediate representation sections in ELF, PE/COFF, or Mach-O objects. The go command now verifies that \".syso\" files, direct linker inputs, and libraries in \"-L\" directories are valid binary objects or archives that do not contain unallowlisted \".drectve\" directives, \"LC_LINKER_OPTION\" load commands, or LTO IR sections, and disallows \"-l:<filename>\" and \":\", \"=\", or path separators in \"-l\" flags.","state":0,"publishedAt":"2026-11-11T03:13:15.93+00:00","modifiedAt":"2026-11-11T03:13:15.93+00:00","affected":[{"ecosystem":"https://pkg.go.dev","name":"cmd/go","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Go toolchain\",\n                    \"product\": \"cmd/go\",\n                    \"collectionURL\": \"https://pkg.go.dev\",\n                    \"packageName\": \"cmd/go\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.26.11\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"1.27.0-0\",\n                            \"lessThan\": \"1.27.4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://go.dev/cl/862151","https://go.dev/issue/82572","https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM","https://pkg.go.dev/vuln/GO-2026-6853"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97038","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97038","identifiers":["CVE-2026-97038"]},"retained":false,"historicalAffected":[]},{"revision":"745e74bda1fd4471ada363d655b48296","observedAt":"2026-11-13T05:19:01.606+00:00","statement":{"source":"euvd","id":"EUVD-2026-123107","aliases":["CVE-2026-97038","GHSA-q9p5-q4jx-v656"],"title":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time. Linker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFL…","description":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time. Linker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFLAGS\", and libraries in \"-L\" directories—were passed to the external linker without validating their format or checking for embedded linker options. Across platforms, this allowed executing GNU ld implicit linker scripts disguised as libraries or \".syso\" files (or loaded via \"-l:<filename>\" or \"-l\" containing path separators), injecting unallowlisted linker flags via PE/COFF \".drectve\" sections on Windows or Mach-O \"LC_LINKER_OPTION\" load commands on Darwin, or invoking LTO plugins via GCC or LLVM LTO intermediate representation sections in ELF, PE/COFF, or Mach-O objects. The go command now verifies that \".syso\" files, direct linker inputs, and libraries in \"-L\" directories are valid binary objects or archives that do not contain unallowlisted \".drectve\" directives, \"LC_LINKER_OPTION\" load commands, or LTO IR sections, and disallows \"-l:<filename>\" and \":\", \"=\", or path separators in \"-l\" flags.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[],"references":["https://go.dev/cl/862151","https://go.dev/issue/82572","https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM","https://pkg.go.dev/vuln/GO-2026-6853"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-123107","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Nov 11, 2026, 3:13:15 AM","dateUpdated":"Nov 11, 2026, 3:13:15 AM"},"relatedAdvisories":[{"id":"WID-SEC-W-2026-4370","title":"Golang Go: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff","vulnerabilityIds":["CVE-2026-97033","CVE-2026-97034","CVE-2026-97035","CVE-2026-97036","CVE-2026-97037","CVE-2026-97038","CVE-2026-97039","CVE-2026-97040","CVE-2026-97041","CVE-2026-97042","CVE-2026-97043","CVE-2026-97054"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-123107","identifiers":["EUVD-2026-123107","CVE-2026-97038","GHSA-q9p5-q4jx-v656"]},"retained":false,"historicalAffected":[]},{"revision":"4fe8e708a16d459c9432aa13f37bcd94","observedAt":"2026-11-13T06:18:20.985+00:00","statement":{"source":"nvd","id":"CVE-2026-97038","aliases":[],"title":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time. Linker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFL…","description":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time. Linker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFLAGS\", and libraries in \"-L\" directories—were passed to the external linker without validating their format or checking for embedded linker options. Across platforms, this allowed executing GNU ld implicit linker scripts disguised as libraries or \".syso\" files (or loaded via \"-l:<filename>\" or \"-l\" containing path separators), injecting unallowlisted linker flags via PE/COFF \".drectve\" sections on Windows or Mach-O \"LC_LINKER_OPTION\" load commands on Darwin, or invoking LTO plugins via GCC or LLVM LTO intermediate representation sections in ELF, PE/COFF, or Mach-O objects. The go command now verifies that \".syso\" files, direct linker inputs, and libraries in \"-L\" directories are valid binary objects or archives that do not contain unallowlisted \".drectve\" directives, \"LC_LINKER_OPTION\" load commands, or LTO IR sections, and disallows \"-l:<filename>\" and \":\", \"=\", or path separators in \"-l\" flags.","state":0,"publishedAt":"2026-11-11T05:19:58+00:00","modifiedAt":"2026-11-12T22:09:39.233+00:00","affected":[],"metrics":[],"references":["https://go.dev/cl/862151","https://go.dev/issue/82572","https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM","https://pkg.go.dev/vuln/GO-2026-6853"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97038","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":[],"productCriteria":[],"sourceDates":{"published":"2026-11-11T05:19:58.000","lastModified":"2026-11-12T22:09:39.233"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-97038","identifiers":["CVE-2026-97038"]},"retained":false,"historicalAffected":[]},{"revision":"6965aaed3cac4100b270aa319027542c","observedAt":"2026-11-11T04:27:36.086+00:00","statement":{"source":"osv","id":"GO-2026-6853","aliases":["CVE-2026-97038"],"title":"Arbitrary code execution via crafted .syso files and cgo linker input files in cmd/go","description":"Building a malicious package containing \".syso\" files or cgo linker inputs could inject arbitrary linker flags or execute arbitrary code at link time.\n\nLinker input files—including \".syso\" files, direct object or library inputs in \"#cgo LDFLAGS\", and libraries in \"-L\" directories—were passed to the external linker without validating their format or checking for embedded linker options. Across platforms, this allowed executing GNU ld implicit linker scripts disguised as libraries or \".syso\" files (or loaded via \"-l:<filename>\" or \"-l\" containing path separators), injecting unallowlisted linker flags via PE/COFF \".drectve\" sections on Windows or Mach-O \"LC_LINKER_OPTION\" load commands on Darwin, or invoking LTO plugins via GCC or LLVM LTO intermediate representation sections in ELF, PE/COFF, or Mach-O objects.\n\nThe go command now verifies that \".syso\" files, direct linker inputs, and libraries in \"-L\" directories are valid binary objects or archives that do not contain unallowlisted \".drectve\" directives, \"LC_LINKER_OPTION\" load commands, or LTO IR sections, and disallows \"-l:<filename>\" and \":\", \"=\", or path separators in \"-l\" flags.","state":0,"publishedAt":"2026-11-11T02:51:11+00:00","modifiedAt":"2026-11-11T03:15:14.8019+00:00","affected":[{"ecosystem":"Go","name":"toolchain","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.26.11"},{"kind":"introduced","version":"1.27.0-0"},{"kind":"fixed","version":"1.27.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://go.dev/cl/862151","https://go.dev/issue/82572","https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6853","license":"OSV · upstream source license applies","key":"osv:GO-2026-6853","identifiers":["GO-2026-6853","CVE-2026-97038"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-14T10:57:17.8189526+00:00","complete":true,"records":1781,"lastAttemptAt":"2026-11-14T10:57:17.8189526+00:00","lastSuccessAt":"2026-11-14T10:57:18.028601+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:18.0286015+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-f4305fb3b9417bd97547e9305731a80b9463cd5f49ef853b3cd62960cad53a57-170b1662553ee3a628a7edcd60e9c4640846434bdb7f43295fba3e4bb85afb6a","complete":true,"records":425715,"lastAttemptAt":"2026-11-14T10:57:17.3248872+00:00","lastSuccessAt":"2026-11-14T10:57:17.273575+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:17.3248872+00:00","snapshotPublishedAt":"2026-11-14T10:27:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-21c7ffb0cd8d4e41935630d950039183","complete":true,"records":13821,"lastAttemptAt":"2026-11-14T10:58:29.960654+00:00","lastSuccessAt":"2026-11-14T09:58:00.482+00:00","error":null,"lastVerifiedAt":"2026-11-14T09:58:00.482+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13874,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-14T10:57:17.8189526+00:00","complete":true,"records":1123,"lastAttemptAt":"2026-11-14T10:57:17.8189526+00:00","lastSuccessAt":"2026-11-14T10:57:18.0293537+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:18.0293539+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-1b63371cb47c47c5be86901813e9f81a","complete":false,"records":13821,"lastAttemptAt":"2026-11-14T10:58:29.1314442+00:00","lastSuccessAt":"2026-11-14T10:58:29.127+00:00","error":"170 identifier lookups failed; latest failures include HttpError (HTTP 503). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-14T10:58:29.127+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13304,"expectedIdentifiers":13874,"failedIdentifiers":170},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-0b57fec07d57d893c006f1cfeb0af7ae73375ea99dba0cb68b1da97c5ec74185","complete":true,"records":9955,"lastAttemptAt":"2026-11-14T10:57:17.6710433+00:00","lastSuccessAt":"2026-11-13T23:59:01.475919+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:17.6710433+00:00","snapshotPublishedAt":"2026-11-13T23:17:54+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-f4424d7d4861b1af1404bd15abcb83f295dcd003412a9340ca99dc8200aa148a","complete":true,"records":2014,"lastAttemptAt":"2026-11-14T10:57:17.391885+00:00","lastSuccessAt":"2026-11-13T19:57:08.2864435+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:17.391885+00:00","snapshotPublishedAt":"2026-11-13T19:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-012aff9b2fb349d53e2c4bace6ca57956b6f5f9d82c1dc9fdc1c9b3c738f8977","complete":true,"records":3148,"lastAttemptAt":"2026-11-14T10:57:17.7769585+00:00","lastSuccessAt":"2026-11-14T04:57:03.8279646+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:17.7769585+00:00","snapshotPublishedAt":"2026-11-14T03:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-fdee02376e78ad97a6afd9c64b7a511338faf1c7adbbe54e4431f98a9f790e0d","complete":true,"records":232471,"lastAttemptAt":"2026-11-14T10:57:17.5629251+00:00","lastSuccessAt":"2026-11-14T08:58:41.6192286+00:00","error":null,"lastVerifiedAt":"2026-11-14T10:57:17.5629251+00:00","snapshotPublishedAt":"2026-11-14T08:33:14+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}