Vulnerability record · CVE-2026-25854 · published 9 April 2026

CVE-2026-25854: Apache tomcat open redirect vulnerability

Apache · Tomcat

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.

6.1 CVSS 3.1 Medium EPSS 0.53% · top 57.2% CWE-601 · Open redirect

6.1CVSS 3.1 base score

0.53%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Tomcat Apache

References

Link	Tags
https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0	Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/09/21	Mailing ListThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-25854), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.