CVE-2026-25854

MEDIUM

Apache Tomcat: Occasionally open redirect

Title source: cna

Description

Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100. Other, unsupported versions may also be affected Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

Exploits (1)

nomisec WORKING POC
by gregk4sec · poc
https://github.com/gregk4sec/cve-2026-25854

References (2)

Scores

CVSS v3 6.1
EPSS 0.0003
EPSS Percentile 10.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-601
Status published
Products (10)
apache/tomcat 9.0.0 milestone23 (5 CPE variants)
apache/tomcat 9.0.1 - 9.0.116
Apache Software Foundation/Apache Tomcat < 7.0.109
Apache Software Foundation/Apache Tomcat 10.1.0-M1 - 10.1.52
Apache Software Foundation/Apache Tomcat 11.0.0-M1 - 11.0.18
Apache Software Foundation/Apache Tomcat 8.5.30 - 8.5.100
Apache Software Foundation/Apache Tomcat 9.0.0.M23 - 9.0.115
org.apache.tomcat/tomcat 8.5.30 - 9.0.116Maven
org.apache.tomcat/tomcat-catalina 8.5.30 - 9.0.116Maven
org.apache.tomcat.embed/tomcat-embed-core 8.5.30 - 9.0.116Maven
Published Apr 09, 2026
Tracked Since Apr 10, 2026