| { |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0", |
| "cveMetadata": { |
| "cveId": "CVE-2026-39817" |
| }, |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc" |
| }, |
| "title": "Invoking \"go tool pack\" does not sanitize output paths in cmd/go", |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "The \"go tool pack\" subcommand (usually used only by the compiler as an internal tool with known-good inputs) does not sanitize output filenames. Extracting a malicious archive file with the \"pack\" subcommand can write files to arbitrary locations on the filesystem." |
| } |
| ], |
| "affected": [ |
| { |
| "vendor": "Go toolchain", |
| "product": "cmd/go", |
| "collectionURL": "https://pkg.go.dev", |
| "packageName": "cmd/go", |
| "versions": [ |
| { |
| "version": "0", |
| "lessThan": "1.25.10", |
| "status": "affected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "1.26.0-0", |
| "lessThan": "1.26.3", |
| "status": "affected", |
| "versionType": "semver" |
| } |
| ], |
| "defaultStatus": "unaffected" |
| } |
| ], |
| "problemTypes": [ |
| { |
| "descriptions": [ |
| { |
| "lang": "en", |
| "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://go.dev/issue/78778" |
| }, |
| { |
| "url": "https://go.dev/cl/767520" |
| }, |
| { |
| "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M" |
| }, |
| { |
| "url": "https://pkg.go.dev/vuln/GO-2026-4979" |
| } |
| ], |
| "credits": [ |
| { |
| "lang": "en", |
| "value": "Harshit Gupta (Mr HAX)" |
| } |
| ] |
| } |
| } |
| } |
