{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31802","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-09T16:33:42.913Z","datePublished":"2026-03-09T21:11:56.668Z","dateUpdated":"2026-03-10T14:56:35.229Z"},"containers":{"cna":{"title":"node-tar Symlink Path Traversal via Drive-Relative Linkpath","problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/isaacs/node-tar/security/advisories/GHSA-9ppj-qmqm-q256","tags":["x_refsource_CONFIRM"],"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-9ppj-qmqm-q256"},{"name":"https://github.com/isaacs/node-tar/commit/f48b5fa3b7985ddab96dc0f2125a4ffc9911b6ad","tags":["x_refsource_MISC"],"url":"https://github.com/isaacs/node-tar/commit/f48b5fa3b7985ddab96dc0f2125a4ffc9911b6ad"}],"affected":[{"vendor":"isaacs","product":"node-tar","versions":[{"version":"< 7.5.11","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-09T21:11:56.668Z"},"descriptions":[{"lang":"en","value":"node-tar is a full-featured Tar for Node.js. Prior to version 7.5.11, tar (npm) can be tricked into creating a symlink that points outside the extraction directory by using a drive-relative symlink target such as C:../../../target.txt, which enables file overwrite outside cwd during normal tar.x() extraction. This vulnerability is fixed in 7.5.11."}],"source":{"advisory":"GHSA-9ppj-qmqm-q256","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-9ppj-qmqm-q256","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-10T14:56:31.266727Z","id":"CVE-2026-31802","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-10T14:56:35.229Z"}}]}}