{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19693","assignerOrgId":"22e2d327-25fe-45d7-9f0c-dcd23b7108df","state":"PUBLISHED","assignerShortName":"seal","dateReserved":"2026-08-13T07:30:18.584Z","datePublished":"2026-08-17T13:30:22.288Z","dateUpdated":"2026-08-17T16:00:48.858Z"},"containers":{"cna":{"providerMetadata":{"orgId":"22e2d327-25fe-45d7-9f0c-dcd23b7108df","shortName":"seal","dateUpdated":"2026-08-17T13:30:22.288Z"},"title":"extract-zip arbitrary file write outside the destination directory via a symlink at the final path component","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","type":"CWE"},{"lang":"en","cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-132","descriptions":[{"lang":"en","value":"CAPEC-132 Symlink Attack"}]}],"affected":[{"vendor":"max-mapper","product":"extract-zip","platforms":["Linux","macOS"],"collectionURL":"https://www.npmjs.com/package/extract-zip","packageName":"extract-zip","repo":"https://github.com/max-mapper/extract-zip","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"2.0.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry's own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p><code>extract-zip</code> through 2.0.1 containment-checks only the <em>parent directory</em> of each archive entry and never the entry's own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.</p>"}]}],"tags":["unsupported-when-assigned"],"references":[{"url":"https://www.npmjs.com/package/extract-zip","name":"extract-zip on npm","tags":["product"]},{"url":"https://github.com/max-mapper/extract-zip","name":"max-mapper/extract-zip on GitHub","tags":["product"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"}}],"credits":[{"lang":"en","value":"Seal Security","type":"finder"}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T16:00:39.088818Z","id":"CVE-2026-19693","options":[{"Exploitation":"none"},{"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":"2026-08-17T16:00:48.858Z"}}]}}