{"id":"CVE-2026-19693","aliases":["GHSA-7pqw-9j4j-h8q3"],"url":"https://o3.security/vulnerability/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.","published":"2026-08-17T13:30:22.288Z","modified":"2026-09-11T03:30:39.383867523Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"extract-zip","fixedVersion":null}],"fix":{"url":"https://github.com/max-mapper/extract-zip/pull/160","label":"max-mapper/extract-zip#160"},"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"},{"type":"WEB","url":"https://github.com/max-mapper/extract-zip/pull/160"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T03:30:39.383867523Z"}}