{"id":"GHSA-jmr9-qjv8-65gv","revision":"97d468728b904613a938f696ad944851","records":[{"revision":"97d468728b904613a938f696ad944851","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-jmr9-qjv8-65gv","aliases":["CVE-2026-56876"],"title":"extract-zip unvalidated symlink path traversal","description":"extract-zip does not validate symlink targets when extracting zip archives. When processing a malicious zip file containing a symlink with a relative path like '../../../../etc/passwd', extract-zip will extract the symlink without validation, allowing it to point outside the extraction directory. Depending on how extract-zip is used, an attacker could read or write to arbitrary files.","state":0,"publishedAt":"2026-06-26T18:34:00+00:00","modifiedAt":"2026-09-10T03:51:08.7697107+00:00","affected":[{"ecosystem":"npm","name":"extract-zip","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"last_affected","version":"2.0.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","score":null,"severity":null},{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/ziad626/extract-zip-security-research/security/advisories/GHSA-x7jf-2287-qcpf","https://nvd.nist.gov/vuln/detail/CVE-2026-56876","https://github.com/max-mapper/extract-zip","https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-177-01.json","https://www.cve.org/CVERecord?id=CVE-2026-56876"],"sourceUrl":"https://github.com/advisories/GHSA-jmr9-qjv8-65gv","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-jmr9-qjv8-65gv","identifiers":["GHSA-jmr9-qjv8-65gv","CVE-2026-56876"]},"retained":false,"historicalAffected":[]}],"coverage":[]}