{"id":"CVE-2026-19693","summary":"extract-zip arbitrary file write outside the destination directory via a symlink at the final path component","details":"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.","modified":"2026-08-19T03:48:06.545174116Z","published":"2026-08-17T13:30:22.288Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19693.json","cna_assigner":"seal","cwe_ids":["CWE-22","CWE-59"]},"references":[{"type":"WEB","url":"https://www.npmjs.com/package/extract-zip"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19693.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19693"},{"type":"PACKAGE","url":"https://github.com/max-mapper/extract-zip"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/max-mapper/extract-zip","events":[{"introduced":"0"},{"fixed":"d64157132e8d9841054f72bb5d76b87a8d9f246d"}],"database_specific":{"extracted_events":[{"introduced":"1.0.0"},{"last_affected":"2.0.1"},{"introduced":"0"},{"fixed":"2.0.1"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v2.0.0","v1.7.0","v1.6.8","v1.6.7","v1.6.6","v1.6.5","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6.0","v1.5.0","v1.4.1","v1.4.0","v1.3.0","v1.2.0","v1.1.2","v1.1.1","v1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19693.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"}]}