https://seclists.org/oss-sec/2026/q3/274: CVE-2026-66053: Apache Thrift: Python TSSLSocket Hostname Matcher Import
Published Jul 24, 2026
·Updated
Affected Software
1 affected component
Apache Thrift<0.24.0
CVE-2026-66053 has a high severity due to its improper validation of certificates with host mismatches.
To fix CVE-2026-66053, upgrade Apache Thrift to version 0.24.0 or later.
CVE-2026-66053 affects all versions of Apache Thrift before 0.24.0.
The main issue with CVE-2026-66053 is improper validation of certificates, leading to potential hostname mismatches.
CVE-2026-66053 was published on July 24, 2026.