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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 – ≤ 11.0.18, 10.1.0-M1 – ≤ 10.1.52, 9.0.0.M23 – ≤ 9.0.115, 8.5.30 – ≤ 8.5.100 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tomcat10 | 10.1.54-1 | — |
| Debian 14 | tomcat11 | 11.0.21-1 | — |
| Debian 14 | tomcat9 | 9.0.70-2 | — |
| Debian 13 | tomcat10 | 10.1.55-1~deb13u1 | — |
| Debian 13 | tomcat11 | 11.0.22-1~deb13u1 | — |
| Debian 13 | tomcat9 | 9.0.70-2 | — |
| Debian 12 | tomcat10 | 10.1.55-1~deb12u1 | — |
| Debian 12 | tomcat9 | 9.0.70-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | tomcat9 +2 | No fix yet | — |
| Ubuntu 25.10 | tomcat9 +2 | No fix yet | — |
| Ubuntu 24.04 LTS | tomcat9 +1 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | tomcat9 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | tomcat9 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | tomcat8 +1 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | tomcat +7 | 1:9.0.117-1.el9_8 | RHSA-2026:26323 |
| RHEL 8 | tomcat +7 | 1:9.0.120-1.el8_10 | RHSA-2026:68677 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | tomcat9 +7 | 1:9.0.120-1.el10_0 | RHSA-2026:67163 |
| RHEL 9.6 EUS | tomcat +7 | 1:9.0.120-1.el9_6 | RHSA-2026:68659 |
| RHEL 9.4 E4S | tomcat +7 | 1:9.0.120-1.el9_4 | RHSA-2026:68679 |
| RHEL 9.2 E4S | tomcat +7 | 1:9.0.120-1.el9_2 | RHSA-2026:68678 |
| RHEL 8.8 TUS | tomcat +7 | 1:9.0.120-1.el8_8 | RHSA-2026:68680 |
| RHEL 8.8 E4S | tomcat +7 | 1:9.0.120-1.el8_8 | RHSA-2026:68680 |
| Red Hat JBoss Web Server 6 | jws6-tomcat +9 | 10.1.49-13.redhat_00011.1.el8jws | RHSA-2026:20405 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | tomcat9 +7 | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:36790, ALSA-2026:25341 |
| AlmaLinux 9 | tomcat +7 | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux 8 | tomcat +7 | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | tomcat9 | 1:9.0.117-1.el10_2 | RLSA-2026:25341 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES 15 SP7 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLES 15 SP7 | tomcat11 | 11.0.21-150600.13.18.1 | SUSE-SU-2026:1558-1 |
| SLES 15 SP6 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES 15 SP6 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLES 15 SP6 | tomcat11 | 11.0.21-150600.13.18.1 | SUSE-SU-2026:1558-1 |
| SLES 15 SP5 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES 15 SP5 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLES 15 SP4 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES 12 SP5 | tomcat | 9.0.117-3.163.2 | SUSE-SU-2026:1572-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES for SAP 15 SP6 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLES for SAP 15 SP6 | tomcat11 | 11.0.21-150600.13.18.1 | SUSE-SU-2026:1558-1 |
| SLES for SAP 15 SP5 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLES for SAP 15 SP5 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLES for SAP 15 SP4 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLE HPC 15 SP5 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
| SLE HPC 15 SP5 | tomcat10 | 10.1.54-150200.5.64.1 | SUSE-SU-2026:1603-1 |
| SLE HPC 15 SP4 | tomcat | 9.0.117-150200.105.1 | SUSE-SU-2026:1604-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tomcat | 9.0.117-1.1 | openSUSE-SU-2026:10547-1 |
| openSUSE Tumbleweed | tomcat10 | 10.1.54-1.1 | openSUSE-SU-2026:10548-1 |
| openSUSE Tumbleweed | tomcat11 | 11.0.21-1.1 | openSUSE-SU-2026:10549-1 |
| openSUSE Leap 16.0 | tomcat | 9.0.117-160000.1.1 | openSUSE-SU-2026:20611-1 |
| openSUSE Leap 16.0 | tomcat10 | 10.1.54-160000.1.1 | openSUSE-SU-2026:20612-1 |
| openSUSE Leap 16.0 | tomcat11 | 11.0.21-160000.1.1 | openSUSE-SU-2026:20595-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | tomcat10 +7 | 1:10.1.54-1.amzn2023.0.1 | ALAS2023-2026-1673 |
| Amazon Linux 2023 | tomcat9 +7 | 1:9.0.117-1.amzn2023.0.1 | ALAS2023-2026-1672 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | thingsboard-tb-node +1 | 4.3.1.1-r11 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
gregk4sec/cve-2026-25854 ★ 0 · Mar 8, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.tomcat:tomcat | >= 8.5.30, < 9.0.116 | 9.0.116 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat:tomcat | >= 10.1.0-M1, < 10.1.53 | 10.1.53 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat:tomcat | >= 11.0.0-M1, < 11.0.20 | 11.0.20 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat:tomcat-catalina | >= 8.5.30, < 9.0.116 | 9.0.116 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat:tomcat-catalina | >= 10.1.0-M1, < 10.1.53 | 10.1.53 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat:tomcat-catalina | >= 11.0.0-M1, < 11.0.20 | 11.0.20 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 8.5.30, < 9.0.116 | 9.0.116 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 10.1.0-M1, < 10.1.53 | 10.1.53 | GHSA-9m3c-qcxr-9x87 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | >= 11.0.0-M1, < 11.0.20 | 11.0.20 | GHSA-9m3c-qcxr-9x87 |
Advisories 26
- WID-SEC-2026-1038 Apache Tomcat und Tomcat Native: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- ALSA-2026:26323 Important: tomcat security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:36790 Important: tomcat9 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:25341 Important: tomcat9 update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:68677 Important: tomcat security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:68680 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68678 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68679 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68677 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:68659 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:67163 Red Hat Security Advisory: tomcat9 security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2026:26323 Red Hat Security Advisory: tomcat security update Red Hat Security Advisories (RHSA) · Oct 1, 2026
- RHSA-2026:20405 Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.3 release and security update Red Hat Security Advisories (RHSA) · Oct 1, 2026
- RLSA-2026:25341 Important: tomcat9 security update Rocky Linux Security Advisories · Sep 28, 2026
- ALAS2023-2026-1672 Moderate: tomcat9 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 13, 2026
- ALAS2023-2026-1673 Moderate: tomcat10 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 13, 2026
- SUSE-SU-2026:1604-1 Security update for tomcat SUSE / openSUSE Security Updates · Apr 25, 2026
- SUSE-SU-2026:1603-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Apr 25, 2026
- openSUSE-SU-2026:20611-1 Security update for tomcat SUSE / openSUSE Security Updates · Apr 24, 2026
- openSUSE-SU-2026:20612-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Apr 24, 2026
- SUSE-SU-2026:1572-1 Security update for tomcat SUSE / openSUSE Security Updates · Apr 24, 2026
- SUSE-SU-2026:1558-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Apr 24, 2026
- openSUSE-SU-2026:20595-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Apr 23, 2026
- openSUSE-SU-2026:10548-1 tomcat10-10.1.54-1.1 on GA media SUSE / openSUSE Security Updates · Apr 15, 2026
- openSUSE-SU-2026:10549-1 tomcat11-11.0.21-1.1 on GA media SUSE / openSUSE Security Updates · Apr 15, 2026
- openSUSE-SU-2026:10547-1 tomcat-9.0.117-1.1 on GA media SUSE / openSUSE Security Updates · Apr 15, 2026
References
- https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0 vendor-advisory