Execution After Redirect (EAR) in Apache Tomcat - CVE-2026-74049

 

Execution After Redirect (EAR) in Apache Tomcat - CVE-2026-74049

Published: October 20, 2026


Vulnerability identifier: #VU156276
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-2026-74049
CWE-ID: CWE-698
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause page processing to continue after a redirect, potentially executing application logic that was intended to be skipped.

The vulnerability exists due to failure to terminate page processing in the Apache Tomcat Jasper JSTL <c:redirect> plug-in replacement when issuing a redirect. A remote attacker can request a page that executes the affected redirect tag to cause the remaining page logic to run despite the redirect.


Affected software

Apache Tomcat

How to mitigate CVE-2026-74049

Install security update from vendor's website.

Apache Tomcat - addressed in versions 9.0.123, 10.1.61, 11.0.27

External References

Related Security Bulletins