Is CVE-2026-66053 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66053?

CVE-2026-66053 has a CVSS v3 severity of MEDIUM (5.9).

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CVE-2026-66053

Description

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. This replaces CVE-2026-41603