Configuration in Apache Tomcat - CVE-2026-29129
Published: April 9, 2026 / Updated: April 10, 2026
Vulnerability identifier: #VU125741
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-29129
CWE-ID: CWE-16
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Tomcat
Apache Tomcat
Detailed vulnerability description
The vulnerability allows a remote attacker to cause the server to use TLS cipher suites in an unintended order.
The vulnerability exists due to improper configuration handling in TLS 1.3 cipher suite configuration when negotiating TLS connections. A remote attacker can initiate a TLS connection to cause the server to use TLS cipher suites in an unintended order.
How to mitigate CVE-2026-29129
Install security update from vendor's website.