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134 changes: 134 additions & 0 deletions advisories/python/PSF-0000-CVE-2026-115557.json
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{
"schema_version": "1.5.0",
"id": "PSF-0000-CVE-2026-115557",
"aliases": [
"CVE-2026-115557"
],
"published": "2026-10-24T14:15:14.283Z",
"modified": "2026-10-25T00:39:26.520Z",
"details": "Python has added a denylist for known compromised certificates to the \"ssl\" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configuration.",
"affected": [
{
"ranges": [
{
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "21a50891ab4be2e9955239e625ae2b40c6b1854d"
},
{
"fixed": "36cd295f32fc9ba19399e01abee91231440a41dd"
},
{
"fixed": "48d9b2712cd52206c7a5882d0fdca4863ed65e93"
},
{
"fixed": "7dd8b4736a1419750b94a388e6d158be15836fe6"
},
{
"fixed": "98f0e4ed349f370dc8a00366da1a9797e11c9ed5"
},
{
"fixed": "a17d9ef549008133eadf20689b1f4787902efe5b"
},
{
"fixed": "af52b41afa4330fb38583db553631baa2f122f90"
},
{
"fixed": "c7fd7edf7e0d122a3973cf676fae21b6aaa650a8"
},
{
"fixed": "e2a9dd97ef9571c710ac0afaa834c8879aebce78"
},
{
"fixed": "e4500d8a437ee5b988a5410cb9b59d177aa01370"
},
{
"fixed": "e4f63e65a93cf44c14274aa987e644b8c003625e"
},
{
"fixed": "e9bf2cf84eebf838a1edaa1c648c2b36345b99d3"
}
],
"repo": "https://github.com/python/cpython"
}
]
}
],
"references": [
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2026/10/20/29"
},
{
"type": "WEB",
"url": "https://github.com/python/cpython/pull/160042"
},
{
"type": "REPORT",
"url": "https://github.com/python/cpython/issues/160040"
},
{
"type": "WEB",
"url": "https://emudhra.we-have-a-problem.com/"
},
{
"type": "ADVISORY",
"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/FNAJMZV6XQYLVPABNINDMF3VF66AYLW4/"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/21a50891ab4be2e9955239e625ae2b40c6b1854d"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/36cd295f32fc9ba19399e01abee91231440a41dd"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/48d9b2712cd52206c7a5882d0fdca4863ed65e93"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/7dd8b4736a1419750b94a388e6d158be15836fe6"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/98f0e4ed349f370dc8a00366da1a9797e11c9ed5"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/a17d9ef549008133eadf20689b1f4787902efe5b"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/af52b41afa4330fb38583db553631baa2f122f90"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/c7fd7edf7e0d122a3973cf676fae21b6aaa650a8"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/e2a9dd97ef9571c710ac0afaa834c8879aebce78"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/e4500d8a437ee5b988a5410cb9b59d177aa01370"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/e4f63e65a93cf44c14274aa987e644b8c003625e"
},
{
"type": "FIX",
"url": "https://github.com/python/cpython/commit/e9bf2cf84eebf838a1edaa1c648c2b36345b99d3"
}
],
"database_specific": {
"cwe_ids": []
}
}