{"cve":"CVE-2026-7774","nvd":{"published":"2026-06-04T16:16:42.103","modified":"2026-08-13T01:16:55.783","status":"Awaiting Analysis","description":"tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":null,"cwes":["CWE-22"],"references":["https://github.com/python/cpython/commit/0478bd83d82b255e0f29f613367a59d261e7eaa2","https://github.com/python/cpython/commit/0d28f5e46e151718972dfabd91205444d0037b6d","https://github.com/python/cpython/commit/10a13bee3c24f9c62b602e696334ff2272a40efc","https://github.com/python/cpython/commit/578411982c16f753f4893532510099ef665117da","https://github.com/python/cpython/commit/5cf47a248c35c375d610b87b2f72fd1ed454b558"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:37:48.043517290+00:00"},"epss":{"cve":"CVE-2026-7774","score":0.00598,"percentile":0.4866,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}