CVE-2026-25854CWE-601

Apache Tomcat: Occasionally open redirect

Medium · published April 9, 2026

CVSS v3.1
6.1
EPSS
1%
Percentile
43.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00526 · 43.7th percentile
Weakness
CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
Published
2026-04-09T19:13Z
EPSS history
Timeline
  • 09 APR 19:13Z
    Apache Tomcat: Occasionally open redirect
    cvelistv5