Open Redirect Vulnerability in Apache Tomcat Products
CVE-2026-25854

Currently unrated

Key Information:

Vendor: Apache
Status: Apache Tomcat
Vendor: CVE Published:; 9 April 2026

What is CVE-2026-25854?

An Open Redirect vulnerability exists in Apache Tomcat that could lead to potential exposure by allowing URLs to be redirected to untrusted sites. This risk originates from the LoadBalancerDrainingValve functionality. Users are strongly advised to upgrade to the fixed versions: Apache Tomcat 11.0.20, 10.1.53, or 9.0.116 to mitigate this issue.

Affected Version(s)

Apache Tomcat 11.0.0-M1 <= 11.0.18

Apache Tomcat 10.1.0-M1 <= 10.1.52

Apache Tomcat 9.0.0.M23 <= 9.0.115

References

https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0...

vendor-advisory

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Apr 9, 2026
Vulnerability Reserved
Feb 6, 2026

Credit

gregk4sec (https://github.com/gregk4sec)

CVE-2026-25854 Data

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