CVE-2026-97036

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97036", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2026-09-23T23:05:04.987Z", "datePublished": "2026-11-11T03:13:16.347Z", "dateUpdated": "2026-11-11T03:13:16.347Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-11-11T03:13:16.347Z"}, "title": "Arbitrary code execution during build on darwin via \"-l to_library\" in cgo in cmd/go", "descriptions": [{"lang": "en", "value": "On Darwin, building a malicious package that uses cgo could cause arbitrary code execution when using the Apple linker due to passing \"-l to_library <path>\" in a \"#cgo LDFLAGS\" directive. The Apple linker recombines the separated arguments \"-l\" and \"to_library\" into \"-lto_library\", which loads an arbitrary LTO plugin dynamic library at link time. The go command now disallows \"-l\" followed by \"to_library\" in \"#cgo LDFLAGS\", rejects \"-lazy_library\", \"-lazy_framework\", \"-load_hidden\", \"-library\", and \"-library-path\", and checks recombined \"-l\" arguments against disallowed linker flags and patterns."}], "affected": [{"vendor": "Go toolchain", "product": "cmd/go", "collectionURL": "https://pkg.go.dev", "packageName": "cmd/go", "versions": [{"version": "0", "lessThan": "1.26.11", "status": "affected", "versionType": "semver"}, {"version": "1.27.0-0", "lessThan": "1.27.4", "status": "affected", "versionType": "semver"}], "platforms": ["darwin"], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"}]}], "references": [{"url": "https://go.dev/cl/862149"}, {"url": "https://go.dev/issue/82574"}, {"url": "https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM"}, {"url": "https://pkg.go.dev/vuln/GO-2026-6855"}], "credits": [{"lang": "en", "value": "Ali Sherif (https://www.linkedin.com/in/ali-sherif-13812b276/)"}]}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected", "packageName": "cmd/go", "platforms": ["darwin"], "product": "cmd/go", "vendor": "Go toolchain", "versions": [{"lessThan": "1.26.11", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.27.4", "status": "affected", "version": "1.27.0-0", "versionType": "semver"}]}], "source": "security@golang.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On Darwin, building a malicious package that uses cgo could cause arbitrary code execution when using the Apple linker due to passing \"-l to_library <path>\" in a \"#cgo LDFLAGS\" directive. The Apple linker recombines the separated arguments \"-l\" and \"to_library\" into \"-lto_library\", which loads an arbitrary LTO plugin dynamic library at link time. The go command now disallows \"-l\" followed by \"to_library\" in \"#cgo LDFLAGS\", rejects \"-lazy_library\", \"-lazy_framework\", \"-load_hidden\", \"-library\", and \"-library-path\", and checks recombined \"-l\" arguments against disallowed linker flags and patterns."}], "id": "CVE-2026-97036", "lastModified": "2026-11-12T22:09:39.233", "metrics": {}, "published": "2026-11-11T05:19:57.713", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/862149"}, {"source": "security@golang.org", "url": "https://go.dev/issue/82574"}, {"source": "security@golang.org", "url": "https://groups.google.com/g/golang-announce/c/iY8TY0wWgbM"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2026-6855"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Awaiting Analysis"}

{}

{"created": "2026-11-12T06:15:19.546193+00:00", "updated": "2026-11-14T03:30:03.610514+00:00", "vendors": [], "weaknesses": ["CWE-20"]}