{"id":"CVE-2026-56876","revision":"b4dad61c24444e8e9563c67d40495d37","records":[{"revision":"b4dad61c24444e8e9563c67d40495d37","observedAt":"2026-10-27T15:15:18.401+00:00","statement":{"source":"nvd","id":"CVE-2026-56876","aliases":[],"title":"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 validatio…","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":"2026-06-26T18:17:03.447+00:00","modifiedAt":"2026-10-25T17:10:00.197+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · 9119a7d8-5eab-497f-8521-727c672e3725 · Secondary","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":8.6,"severity":"HIGH"},{"system":"CVSS 3.1 · 9119a7d8-5eab-497f-8521-727c672e3725 · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/ziad626/extract-zip-security-research/security/advisories/GHSA-x7jf-2287-qcpf","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://nvd.nist.gov/vuln/detail/CVE-2026-56876","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-22","CWE-61"],"productCriteria":["cpe:2.3:a:max-mapper:extract-zip:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-06-26T18:17:03.447","lastModified":"2026-10-25T17:10:00.197"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-56876","identifiers":["CVE-2026-56876"]},"retained":false,"historicalAffected":[]}],"coverage":[]}