{"schema_version":"1.9.0","id":"CVE-2026-4360","published":"2026-06-30T14:45:35.601Z","modified":"2026-09-10T18:26:54.833821084Z","aliases":["BIT-libpython-2026-4360","BIT-python-2026-4360","BIT-python-min-2026-4360","PSF-2026-32"],"related":["SUSE-SU-2026:23159-1","SUSE-SU-2026:23191-1","SUSE-SU-2026:23212-1","SUSE-SU-2026:23303-1","SUSE-SU-2026:3530-1","SUSE-SU-2026:3548-1","SUSE-SU-2026:3560-1","SUSE-SU-2026:3569-1","SUSE-SU-2026:3601-1","SUSE-SU-2026:3649-1","SUSE-SU-2026:3855-1","openSUSE-SU-2026:11426-1","openSUSE-SU-2026:11427-1","openSUSE-SU-2026:11428-1","openSUSE-SU-2026:11429-1","openSUSE-SU-2026:11534-1","openSUSE-SU-2026:11597-1","openSUSE-SU-2026:21595-1"],"summary":"Tarfile.extract() doesn't fully respect filter parameter","details":"In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"0"},{"fixed":"c37a4fdf5472b9460cc38885342ef59bce05753f"},{"fixed":"0367912be336348b30572f8029cec4a282782d92"},{"fixed":"5e0ef3f1afe892e4f64eb83368db57ac4c40cba0"},{"fixed":"7b57e8d51446297b8c7c482d224bc5f1938e4301"},{"fixed":"7ccdbaba2c54250a70d7f25632152df7655a5e0a"},{"fixed":"cf23b9153181062150d061468b6d24af33fe214f"},{"fixed":"d2b2f5eacab4dd48446b63340613b05dcbbf0b44"},{"fixed":"eee3ddf0ca10283cc7fea724aae9cd8665f8d15e"}],"database_specific":{"cpe":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.1.5"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v3.15.0b3","v3.13.14","v3.14.6","v3.15.0b2","v3.14.5","v3.15.0b1","v3.14.5rc1","v3.13.13","v3.14.4","v3.15.0a8","v3.15.0a7","v3.12.13","v3.10.20","v3.11.15","v3.15.0a6","v3.13.12","v3.14.3","v3.15.0a5","v3.15.0a4","v3.15.0a3","v3.14.2","v3.13.11","v3.13.10","v3.14.1","v3.15.0a2","v3.15.0a1","v3.13.8","v3.11.14","v3.10.19","v3.12.12","v3.14.0","v3.14.0rc3","v3.13.7","v3.14.0rc2","v3.13.6","v3.14.0rc1","v3.14.0b4","v3.14.0b3","v3.13.5","v3.13.4","v3.11.13","v3.10.18","v3.12.11","v3.14.0b2","v3.14.0b1","v3.13.3","v3.11.12","v3.12.10","v3.14.0a7","v3.10.17","v3.14.0a6","v3.14.0a5","v3.13.2","v3.12.9","v3.14.0a4","v3.14.0a3","v3.13.1","v3.12.8","v3.10.16","v3.11.11","v3.14.0a2","v3.14.0a1","v3.13.0","v3.13.0rc3","v3.12.7","v3.11.10","v3.10.15","v3.13.0rc2","v3.12.6","v3.12.5","v3.13.0rc1","v3.13.0b4","v3.13.0b3","v3.12.4","v3.13.0b2","v3.13.0b1","v3.13.0a6","v3.12.3","v3.11.9","v3.10.14","v3.13.0a5","v3.13.0a4","v3.12.2","v3.11.8","v3.13.0a3","v3.12.1","v3.11.7","v3.13.0a2","v3.13.0a1","v3.11.6","v3.12.0","v3.12.0rc3","v3.12.0rc2","v3.11.5","v3.10.13","v3.12.0rc1","v3.12.0b4","v3.12.0b3","v3.11.4","v3.10.12","v3.12.0b2","v3.12.0b1","v3.10.11","v3.11.3","v3.12.0a7","v3.12.0a6","v3.10.10","v3.11.2","v3.12.0a5","v3.12.0a4","v3.12.0a3","v3.10.9","v3.11.1","v3.12.0a2","v3.12.0a1","v3.11.0rc2","v3.10.8","v3.10.7","v3.11.0rc1","v3.10.6","v3.11.0b5","v3.11.0b4","v3.10.5","v3.11.0b3","v3.11.0b2","v3.11.0b1","v3.11.0a7","v3.10.4","v3.10.3","v3.11.0a6","v3.11.0a5","v3.11.0a4","v3.10.2","v3.11.0a3","v3.10.1","v3.10.0rc2","v3.10.0rc1","v3.10.0b4","v3.10.0b3","v3.10.0b2","v3.10.0b1","v3.10.0a7","v3.10.0a1","v3.9.0a2","v3.7.0a2","v3.6.0b1","v3.6.0a3","v3.5.0b1","v3.5.0a4","v3.5.0a3","v3.5.0a2","v3.5.0a1","v3.4.0b3","v3.4.0b2","v3.4.0b1","v3.4.0a4","v3.4.0a3","v3.4.0a2","v3.4.0a1","v3.3.0rc3","v3.3.0rc2","v3.3.0rc1","v3.3.0b2","v3.3.0b1","v3.3.0a4","v3.3.0a3","v3.3.0a2","v3.1.5rc2","v3.1.5rc1","v3.1.4","v3.1.4rc1","v3.2rc3","v3.2rc2","v3.2rc1","v3.2b2","v3.2b1","v3.1.3","v3.1.3rc1","v3.2a4","v3.2a3","v3.2a2","v3.2a1","v3.1.2","v3.1.2rc1","v3.1.1","v3.1.1rc1","v3.1","v3.1rc2","v3.1rc1","v3.1b1","v3.1a2","v3.1a1","v3.0rc3","v3.0rc2","v3.0rc1","v3.0b3","v3.0b2","v3.0b1","v3.0a5","v3.0a4","v3.0a3","v3.0a2","v3.0a1","v2.4","v2.4c1","v2.4b2","v2.4b1","v2.4a3","v2.4a2","v2.4a1","v2.3c2","v2.3c1","v2.2a3","v2.1","v2.1c2","v2.1c1","v2.1b2","v2.1b1","v2.1a2","v2.1a1","v2.0","v2.0c1","v2.0b2","v2.0b1","v1.6a2","v1.6a1","v1.5.2","v1.5.2c1","v1.5.2b2","v1.5.2b1","v1.5.2a2","v1.5.2a1","v1.5.1","v1.5","v1.5b2","v1.5b1","v1.5a4","v1.5a3","v1.5a2","v1.5a1","v1.4","v1.4b3","v1.4b2","v1.4b1","v1.3","v1.3b1","v1.2","v1.2b4","v1.2b3","v1.2b2","v1.2b1","v1.1.1","v1.1","v1.0.2","v1.0.1","v0.9.9","v0.9.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4360.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4360.json"},{"type":"ADVISORY","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/TWZW2PC2AZOV6FENIHFSRC63OM7MBGSB/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4360"},{"type":"REPORT","url":"https://github.com/python/cpython/issues/151987"},{"type":"FIX","url":"https://github.com/python/cpython/commit/0367912be336348b30572f8029cec4a282782d92"},{"type":"FIX","url":"https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0"},{"type":"FIX","url":"https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301"},{"type":"FIX","url":"https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/cf23b9153181062150d061468b6d24af33fe214f"},{"type":"FIX","url":"https://github.com/python/cpython/commit/d2b2f5eacab4dd48446b63340613b05dcbbf0b44"},{"type":"FIX","url":"https://github.com/python/cpython/commit/eee3ddf0ca10283cc7fea724aae9cd8665f8d15e"},{"type":"FIX","url":"https://github.com/python/cpython/pull/151988"},{"type":"PACKAGE","url":"https://github.com/python/cpython"}],"database_specific":{"cna_assigner":"PSF","cwe_ids":["CWE-281"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4360.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}