{"id":"BIT-libpython-2026-115557","summary":"Distrust compromised intermediate certificates in ssl module","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.","aliases":["BIT-python-2026-115557","BIT-python-min-2026-115557","CVE-2026-115557","PSF-2026-46"],"modified":"2026-10-30T20:55:55.849748987Z","published":"2026-10-30T15:32:26.122Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/20/29"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/24/5"},{"type":"WEB","url":"https://emudhra.we-have-a-problem.com/"},{"type":"WEB","url":"https://github.com/python/cpython/commit/21a50891ab4be2e9955239e625ae2b40c6b1854d"},{"type":"WEB","url":"https://github.com/python/cpython/commit/36cd295f32fc9ba19399e01abee91231440a41dd"},{"type":"WEB","url":"https://github.com/python/cpython/commit/48d9b2712cd52206c7a5882d0fdca4863ed65e93"},{"type":"WEB","url":"https://github.com/python/cpython/commit/7dd8b4736a1419750b94a388e6d158be15836fe6"},{"type":"WEB","url":"https://github.com/python/cpython/commit/98f0e4ed349f370dc8a00366da1a9797e11c9ed5"},{"type":"WEB","url":"https://github.com/python/cpython/commit/a17d9ef549008133eadf20689b1f4787902efe5b"},{"type":"WEB","url":"https://github.com/python/cpython/commit/af52b41afa4330fb38583db553631baa2f122f90"},{"type":"WEB","url":"https://github.com/python/cpython/commit/c7fd7edf7e0d122a3973cf676fae21b6aaa650a8"},{"type":"WEB","url":"https://github.com/python/cpython/commit/e2a9dd97ef9571c710ac0afaa834c8879aebce78"},{"type":"WEB","url":"https://github.com/python/cpython/commit/e4500d8a437ee5b988a5410cb9b59d177aa01370"},{"type":"WEB","url":"https://github.com/python/cpython/commit/e4f63e65a93cf44c14274aa987e644b8c003625e"},{"type":"WEB","url":"https://github.com/python/cpython/commit/e9bf2cf84eebf838a1edaa1c648c2b36345b99d3"},{"type":"WEB","url":"https://github.com/python/cpython/issues/160040"},{"type":"WEB","url":"https://github.com/python/cpython/pull/160042"},{"type":"WEB","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/FNAJMZV6XQYLVPABNINDMF3VF66AYLW4/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115557"}],"affected":[{"package":{"name":"libpython","ecosystem":"Bitnami","purl":"pkg:bitnami/libpython"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.11.18"},{"introduced":"3.12.0"},{"fixed":"3.12.16"},{"introduced":"3.13.0"},{"fixed":"3.13.18"},{"introduced":"3.14.0"},{"fixed":"3.14.10"},{"introduced":"3.15.0"},{"fixed":"3.15.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/libpython/BIT-libpython-2026-115557.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.2"}