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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-25854

Apache Tomcat: Occasionally open redirect

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Tomcat

Default version status: unaffected

  • 11.0.0-M1 to ≤ 11.0.18affected
  • 10.1.0-M1 to ≤ 10.1.52affected
  • 9.0.0.M23 to ≤ 9.0.115affected
  • 8.5.30 to ≤ 8.5.100affected
  • 0 to ≤ 7.0.109unaffected

References