CVE-2026-25854

Severity CVSS v4.0:

Pending analysis

Type:

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Publication date:

09/04/2026

Last modified:

14/04/2026

Description

Occasional URL redirection to untrusted Site (&#39;Open Redirect&#39;) 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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

6.10

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	9.0.1 (including)	9.0.116 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.53 (excluding)
cpe:2.3:a:apache:tomcat::::::::	11.0.0 (including)	11.0.20 (excluding)
cpe:2.3:a:apache:tomcat:9.0.0:milestone23::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone24::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone25::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone26::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone27::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-25854

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools