{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-61731", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2025-09-30T15:05:03.605Z", "datePublished": "2026-01-28T19:30:30.844Z", "dateUpdated": "2026-01-28T19:30:30.844Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-01-28T19:30:30.844Z"}, "title": "Arbitrary file write using cgo pkg-config directive in cmd/go", "descriptions": [{"lang": "en", "value": "Building a malicious file with cmd/go can cause can cause a write to an attacker-controlled file with partial control of the file content. The \"#cgo pkg-config:\" directive in a Go source file provides command-line arguments to provide to the Go pkg-config command. An attacker can provide a \"--log-file\" argument to this directive, causing pkg-config to write to an attacker-controlled location."}], "affected": [{"vendor": "Go toolchain", "product": "cmd/go", "collectionURL": "https://pkg.go.dev", "packageName": "cmd/go", "versions": [{"version": "0", "lessThan": "1.24.12", "status": "affected", "versionType": "semver"}, {"version": "1.25.0", "lessThan": "1.25.6", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "references": [{"url": "https://go.dev/cl/736711"}, {"url": "https://go.dev/issue/77100"}, {"url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4339"}], "credits": [{"lang": "en", "value": "RyotaK (https://ryotak.net) of GMO Flatt Security Inc."}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Building a malicious file with cmd/go can cause can cause a write to an attacker-controlled file with partial control of the file content. The \"#cgo pkg-config:\" directive in a Go source file provides command-line arguments to provide to the Go pkg-config command. An attacker can provide a \"--log-file\" argument to this directive, causing pkg-config to write to an attacker-controlled location."}], "id": "CVE-2025-61731", "lastModified": "2026-01-28T20:16:10.073", "metrics": {}, "published": "2026-01-28T20:16:10.073", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/736711"}, {"source": "security@golang.org", "url": "https://go.dev/issue/77100"}, {"source": "security@golang.org", "url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2026-4339"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Received"}

{}

{}