Improper validation of certificate with host mismatch in Apache Thrift - CVE-2026-43869

 

Improper validation of certificate with host mismatch in Apache Thrift - CVE-2026-43869

Published: August 25, 2026


Vulnerability identifier: #VU145305
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43869
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to spoof a trusted server.

The vulnerability exists due to improper validation of certificate with host mismatch in TSSLTransportFactory.java when establishing TLS connections. A remote attacker can present a certificate for a different host to spoof a trusted server.


Affected software

Apache Thrift
Red Hat Camel for Spring Boot

How to mitigate CVE-2026-43869

Install security update from vendor's website.

Apache Thrift - update to 0.23.0
Red Hat Camel for Spring Boot - update to 4.18

External References

Related Security Bulletins