{"id":"CVE-2026-59871","state":"PUBLISHED","title":"node-tar: Process crash via PAX numeric path type confusion","description":"node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.","publishedAt":"2026-07-08T15:25:09.519Z","updatedAt":"2026-07-08T16:13:05.563Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["isaacs node-tar"],"affected":[{"vendor":"isaacs","product":"node-tar","versions":[{"version":"< 7.5.18","status":"affected"}]}],"references":["https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp","https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b","https://github.com/isaacs/node-tar/releases/tag/v7.5.18"],"weaknesses":["CWE-704"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59871.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59871","state":"PUBLISHED","datePublished":"2026-07-08T15:25:09.519Z","dateUpdated":"2026-07-08T16:13:05.563Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-07T15:41:53.607Z"},"containers":{"cna":{"title":"node-tar: Process crash via PAX numeric path type confusion","descriptions":[{"lang":"en","value":"node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18."}],"affected":[{"vendor":"isaacs","product":"node-tar","versions":[{"version":"< 7.5.18","status":"affected"}]}],"references":[{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp","name":"https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b","name":"https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27b","tags":["x_refsource_MISC"]},{"url":"https://github.com/isaacs/node-tar/releases/tag/v7.5.18","name":"https://github.com/isaacs/node-tar/releases/tag/v7.5.18","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-704","lang":"en","description":"CWE-704: Incorrect Type Conversion or Cast","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-08T15:25:09.519Z"},"source":{"advisory":"GHSA-w8wr-v893-vjvp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-08T16:12:47.672306Z","id":"CVE-2026-59871","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-08T16:13:05.563Z"}}]}}}