{"id":"CVE-2026-66053","aliases":["GHSA-hwrj-9rr4-24xh","BIT-thrift-2026-66053","PYSEC-2026-3927"],"title":"Apache Thrift Python bindings have a Improper Validation of Certificate with Host Mismatch vulnerabilit","summary":"Apache Thrift Python bindings have a Improper Validation of Certificate with Host Mismatch vulnerabilit","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","vendor":"thrift","product":"thrift","ecosystem":"pip","affected":["thrift < 0.24.0"],"patched":["thrift 0.24.0"],"published":"2026-07-27","updated":"2026-09-10","sourceUpdated":"2026-09-10T12:25:30.411379998Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-hwrj-9rr4-24xh","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66053"},{"url":"https://github.com/apache/thrift"},{"url":"https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9"},{"url":"https://lists.apache.org/thread/w4k5dnv1x58knwlhpo9x0or5xh220y65"},{"url":"https://pypi.org/project/thrift"},{"url":"https://github.com/advisories/GHSA-hwrj-9rr4-24xh"}],"tags":["osv","pip"],"epss":0.00214,"epssPercentile":0.11957,"ingestedAt":"2026-09-02T19:31:23.371Z","slug":"CVE-2026-66053","body":"## Overview\n\nImproper 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\n\n## Affected packages\n\n- `thrift < 0.24.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `thrift 0.24.0`","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}