CVE-2026-25854
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-25854
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-25854.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | forky | fixed | 10.1.54-1 |
| debian | sid | fixed | 10.1.54-1 |
| debian | trixie | fixed | 9.0.70-2 |
| debian | bookworm | fixed | 9.0.70-2 |
| debian | bullseye | fixed | 9.0.70-2 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.tomcat:tomcat-catalina | >=8.5.30,<9.0.116 | 9.0.116 |
| Maven | org.apache.tomcat:tomcat-catalina | >=10.1.0-M1,<10.1.53 | 10.1.53 |
| Maven | org.apache.tomcat:tomcat-catalina | >=11.0.0-M1,<11.0.20 | 11.0.20 |
| Maven | org.apache.tomcat:tomcat | >=8.5.30,<9.0.116 | 9.0.116 |
| Maven | org.apache.tomcat:tomcat | >=10.1.0-M1,<10.1.53 | 10.1.53 |
| Maven | org.apache.tomcat:tomcat | >=11.0.0-M1,<11.0.20 | 11.0.20 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >=8.5.30,<9.0.116 | 9.0.116 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >=10.1.0-M1,<10.1.53 | 10.1.53 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >=11.0.0-M1,<11.0.20 | 11.0.20 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-25854
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0
- http://www.openwall.com/lists/oss-security/2026/04/09/21
- https://www.suse.com/security/cve/CVE-2026-25854.html
- https://security-tracker.debian.org/tracker/CVE-2026-25854
Verify integrity in audit chain (admin only). AS-IS.