CVE-2026-25854

Apache Tomcat: Occasionally open redirect

CVSS 6.1 MEDIUMEPSS 0.5%CWE-601

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.1EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

09 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Apache Software Foundation · Apache Tomcat

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References

https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0 http://www.openwall.com/lists/oss-security/2026/04/09/21