{"id":"CVE-2026-66053","aliases":["BIT-thrift-2026-66053","GHSA-hwrj-9rr4-24xh","PYSEC-2026-3927"],"url":"https://o3.security/vulnerability/CVE-2026-66053","summary":"Apache Thrift: Python TSSLSocket Hostname Matcher Import","details":"Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings.\n\nThis issue affects Apache Thrift: before 0.24.0.\n\nUsers are recommended to upgrade to version 0.24.0, which fixes the issue.\n\nThis replaces CVE-2026-41603","published":"2026-07-27T11:18:49.830Z","modified":"2026-09-10T12:25:30.411379998Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"thrift","fixedVersion":"0.24.0"}],"fix":null,"references":[{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66053.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/w4k5dnv1x58knwlhpo9x0or5xh220y65"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66053"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T12:25:30.411379998Z"}}