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63 changes: 63 additions & 0 deletions advisories/python/PSF-0000-CVE-2026-114583.json
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{
"schema_version": "1.5.0",
"id": "PSF-0000-CVE-2026-114583",
"aliases": [
"CVE-2026-114583"
],
"published": "2026-10-22T20:57:36.019Z",
"modified": "2026-10-23T00:36:58.472Z",
"details": "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.",
"affected": [
{
"ranges": [
{
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"
},
{
"fixed": "c6ada40177436e4e2533a7b252082b5f0c043477"
},
{
"fixed": "e7e0b3523ad6ba8472873dda594cf4021a16f8b5"
}
],
"repo": "https://github.com/python/cpython"
}
]
}
],
"references": [
{
"type": "WEB",
"url": "https://github.com/python/cpython/pull/160098"
},
{
"type": "REPORT",
"url": "https://github.com/python/cpython/issues/160097"
},
{
"type": "WEB",
"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/43JOWPRAV5DI3VZ4FUEUAZOHCATXXOCK/"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/c6ada40177436e4e2533a7b252082b5f0c043477"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/e7e0b3523ad6ba8472873dda594cf4021a16f8b5"
}
],
"database_specific": {
"cwe_ids": []
}
}