# CVE-2026-66053: thrift: Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings

CVE-2026-66053 is fixed in thrift on 1 platform by DEBIAN-CVE-2026-66053 (version 0.23.0-3), released July 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-66053
- Priority: Routine
- CVSS: 5.9 (medium)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 27, 2026

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | thrift Debian 14 | 0.23.0-3 | [DEBIAN-CVE-2026-66053](https://patchblox.com/security/data/fix/linux/debian-cve-2026-66053.md) | Jul 28, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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