| Name | CVE-2026-25854 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1133356, 1133357 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tomcat10 (PTS) | bookworm | 10.1.34-0+deb12u2 | vulnerable |
| bookworm (security) | 10.1.52-1~deb12u1 | vulnerable | |
| trixie (security), trixie | 10.1.52-1~deb13u1 | vulnerable | |
| forky, sid | 10.1.54-1 | fixed | |
| tomcat11 (PTS) | trixie (security), trixie | 11.0.15-1~deb13u1 | vulnerable |
| forky, sid | 11.0.21-1 | fixed | |
| tomcat9 (PTS) | bullseye | 9.0.43-2~deb11u10 | vulnerable |
| bullseye (security) | 9.0.107-0+deb11u2 | fixed | |
| bookworm | 9.0.70-2 | fixed | |
| trixie | 9.0.95-1 | fixed | |
| forky, sid | 9.0.115-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tomcat10 | source | (unstable) | 10.1.54-1 | 1133356 | ||
| tomcat11 | source | (unstable) | 11.0.21-1 | 1133357 | ||
| tomcat9 | source | (unstable) | 9.0.70-2 |
Starting with 9.0.70-2 src:tomcat9 no longer ships the server stack, using that as the fixed version
Fixed by: https://github.com/apache/tomcat/commit/4c5d306001b780c9316aea5ff6502c524fb20695 (11.0.19)
Fixed by: https://github.com/apache/tomcat/commit/5fb910f9a9dafa37a0c0965a1bd62a21dcf437f2 (10.1.53)
Fixed by: https://github.com/apache/tomcat/commit/c5a45ae68d07f7a07be2a875e5b6772d66c4e5d0 (9.0.116)
https://www.openwall.com/lists/oss-security/2026/04/09/21