{"affected":[{"defaultStatus":"unaffected","product":"CPython","source":"CNA: PSF","vendor":"Python Software Foundation","versions":[{"lessThan":"3.11.18","status":"affected","version":"0","versionType":"python"},{"lessThan":"3.12.16","status":"affected","version":"3.12.0","versionType":"python"},{"lessThan":"3.13.18","status":"affected","version":"3.13.0","versionType":"python"},{"lessThan":"3.14.10","status":"affected","version":"3.14.0","versionType":"python"},{"lessThan":"3.15.2","status":"affected","version":"3.15.0","versionType":"python"},{"lessThan":"3.16.0","status":"affected","version":"3.16.0a1","versionType":"python"}]}],"cveId":"CVE-2026-114583","cwes":["CWE-22"],"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.","epss":{"date":"2026-11-01","percentile":0.13497,"score":0.00227},"exploits":[],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: PSF","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","version":"4.0"}],"modifiedAt":1793622762085,"publishedAt":1792702656019,"references":[{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/pull/160098"},{"source":"CNA: PSF","tags":["issue-tracking"],"url":"https://github.com/python/cpython/issues/160097"},{"source":"CNA: PSF","tags":[],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/43JOWPRAV5DI3VZ4FUEUAZOHCATXXOCK/"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/c6ada40177436e4e2533a7b252082b5f0c043477"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/e7e0b3523ad6ba8472873dda594cf4021a16f8b5"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/04d8fca7da2cf3ebc0881fec8a53a1330c3b665d"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/bc93f8ad4c4a0f92d184ec8fccc8ff8a651dcec2"},{"source":"CNA: PSF","tags":["patch"],"url":"https://github.com/python/cpython/commit/f4401da82e2baec5dab06cf070fbca77d53220f0"}],"remediation":[],"revision":"906c7d8b41186ef6cf84de758efec184cf37a01ddcc3ea0f2a9aa8b14a4643f8","sources":[{"modifiedAt":1793622762085,"name":"CNA: PSF","retrievedAt":1793624916398,"url":"https://www.cve.org/CVERecord?id=CVE-2026-114583"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793624957380,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114583"}],"ssvc":{"assessedAt":1793622698077,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"tar filter allows writing outside destination via empty-named symlink","updatedAt":1793624957380}