What’s Vulnerable › Vulnerabilities

CVE-2026-43869: Apache Thrift: TSSLTransportFactory.java hostname verification

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-05 · updated 2026-10-26
• Weakness: CWE-297

Description

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache Thrift: before 0.23.0 — fixed in 0.23.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Thrift 0.23.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/3hsgl1b69wzq3ry39scqbv2dhyl3j52r
• http://www.openwall.com/lists/oss-security/2026/05/05/3
• https://access.redhat.com/errata/RHSA-2026:21769
• https://access.redhat.com/errata/RHSA-2026:22347
• https://access.redhat.com/errata/RHSA-2026:22423
• https://access.redhat.com/errata/RHSA-2026:23345
• https://access.redhat.com/errata/RHSA-2026:24503
• https://access.redhat.com/errata/RHSA-2026:24539
• https://access.redhat.com/errata/RHSA-2026:25273
• https://access.redhat.com/errata/RHSA-2026:26586
• https://access.redhat.com/errata/RHSA-2026:27126
• https://access.redhat.com/errata/RHSA-2026:28010

Get alerted when CVE-2026-43869 or the next vulnerability affects your stack