{"cve":"CVE-2026-114583","nvd":{"published":"2026-10-22T21:17:16.543","modified":"2026-10-26T01:17:14.707","status":"Awaiting Analysis","description":"tarfile.tar_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() with filter=\"tar\" to write files outside the destination directory, subject to the permissions of the extracting process.\n\nThis is the tarfile.tar_filter counterpart of CVE-2026-7774, which covered tarfile.data_filter.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":null,"cwes":[],"references":["https://github.com/python/cpython/commit/04d8fca7da2cf3ebc0881fec8a53a1330c3b665d","https://github.com/python/cpython/commit/0901ad4ffb22605f12b705d1c1197f0a01f0ba0b","https://github.com/python/cpython/commit/bc93f8ad4c4a0f92d184ec8fccc8ff8a651dcec2","https://github.com/python/cpython/commit/c6ada40177436e4e2533a7b252082b5f0c043477","https://github.com/python/cpython/commit/e7e0b3523ad6ba8472873dda594cf4021a16f8b5"],"products":[],"source":"nvd","synced_at":"2026-10-26T01:35:02.680761403+00:00"},"epss":{"cve":"CVE-2026-114583","score":0.00214,"percentile":0.11663,"date":"2026-10-25"},"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."]}