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.
References
| Link | Resource |
|---|---|
| https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0 | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/04/09/21 | Mailing List Third Party Advisory |
Configurations
Configuration 1 (hide)
|
History
14 Apr 2026, 14:01
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:* cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:* 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:milestone27:*:*:*:*:*:* cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
|
| First Time |
Apache
Apache tomcat |
|
| References | () https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0 - Mailing List, Vendor Advisory | |
| References | () http://www.openwall.com/lists/oss-security/2026/04/09/21 - Mailing List, Third Party Advisory |
10 Apr 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 6.1 |
10 Apr 2026, 00:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
09 Apr 2026, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-04-09 20:16
Updated : 2026-04-14 14:01
NVD link : CVE-2026-25854
Mitre link : CVE-2026-25854
CVE.ORG link : CVE-2026-25854
JSON object : View
Products Affected
apache
- tomcat
CWE
CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
