Description
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 – ≤ 11.0.24, 10.1.0-M1 – ≤ 10.1.57, 9.0.0.M1 – ≤ 9.0.120, 8.5.0 – ≤ 8.5.100, 7.0.0 – ≤ 7.0.109 | — |
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 | 10.1.60-1 | — |
| Debian 14 | tomcat11 | No fix yet | — |
| Debian 14 | tomcat9 | 9.0.70-2 | — |
| Debian 13 | tomcat10 | 10.1.60-1~deb13u1 | — |
| Debian 13 | tomcat11 | No fix yet | — |
| Debian 13 | tomcat9 | 9.0.70-2 | — |
| Debian 12 | tomcat10 | 10.1.60-1~deb12u1 | — |
| Debian 12 | tomcat9 | 9.0.70-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | tomcat9 +2 | No fix yet | — |
| Ubuntu 26.04 LTS | tomcat9 +2 | No fix yet | — |
| Ubuntu 24.04 LTS | tomcat9 +1 | No fix yet | — |
Show 5 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 | — |
| Ubuntu Pro 16.04 LTS | tomcat7 +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | tomcat6 +1 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Web Server 7 | jws7-tomcat +9 | 11.0.21-7.redhat_00006.1.el8jws | RHSA-2026:76952 |
| Red Hat JBoss Web Server 6 | jws6-tomcat +9 | 10.1.49-16.redhat_00016.1.el8jws | RHSA-2026:73981 |
| Red Hat Hardened Images 1 | tomcat10 +9 | 10.1.59-0.1.hum1 | RHSA-2026:63137 |
| Red Hat Hardened Images 1 | tomcat11 +9 | 11.0.25-0.1.hum1 | RHSA-2026:56039 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | tomcat +7 | 1:10.1.49-5.el10_2.alma.1 | ALSA-2026:92862 |
| AlmaLinux 9 | tomcat +7 | 1:9.0.121-1.el9_8 | ALSA-2026:93469 |
| AlmaLinux 8 | tomcat +7 | 1:9.0.121-1.el8_10 | ALSA-2026:92869 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | tomcat | 1:9.0.121-1.el9_8 | RLSA-2026:98523, RLSA-2026:93469 |
| Rocky Linux 9 | tomcat-lib +6 | 1:9.0.121-3.el9_9 | RLSA-2026:98523 |
| Rocky Linux 8 | tomcat | 1:9.0.121-1.el8_10 | RLSA-2026:92869 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES 15 SP7 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLES 15 SP7 | tomcat11 | 11.0.25-150600.13.33.2 | SUSE-SU-2026:4114-1 |
| SLES 15 SP6 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES 15 SP6 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLES 15 SP6 | tomcat11 | 11.0.25-150600.13.33.2 | SUSE-SU-2026:4114-1 |
| SLES 15 SP5 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES 15 SP5 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLES 15 SP4 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES 12 SP5 | tomcat | 9.0.121-3.177.3 | SUSE-SU-2026:4126-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | tomcat | 9.0.121-160000.1.1 | SUSE-SU-2026:23720-1, SUSE-SU-2026:23700-1 |
| SLES for SAP 16.0 | tomcat10 | 10.1.59-160000.1.1 | SUSE-SU-2026:23711-1, SUSE-SU-2026:23690-1 |
| SLES for SAP 16.0 | tomcat11 | 11.0.25-160000.1.1 | SUSE-SU-2026:23710-1, SUSE-SU-2026:23691-1 |
| SLES for SAP 15 SP6 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES for SAP 15 SP6 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLES for SAP 15 SP6 | tomcat11 | 11.0.25-150600.13.33.2 | SUSE-SU-2026:4114-1 |
| SLES for SAP 15 SP5 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES for SAP 15 SP5 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLES for SAP 15 SP4 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLES 16.0 | tomcat | 9.0.121-160000.1.1 | SUSE-SU-2026:23720-1, SUSE-SU-2026:23700-1 |
| SLES 16.0 | tomcat10 | 10.1.59-160000.1.1 | SUSE-SU-2026:23711-1, SUSE-SU-2026:23690-1 |
| SLES 16.0 | tomcat11 | 11.0.25-160000.1.1 | SUSE-SU-2026:23710-1, SUSE-SU-2026:23691-1 |
| SLE HPC 15 SP5 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
| SLE HPC 15 SP5 | tomcat10 | 10.1.59-150200.5.79.1 | SUSE-SU-2026:4119-1 |
| SLE HPC 15 SP4 | tomcat | 9.0.121-150200.120.1 | SUSE-SU-2026:4203-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tomcat | 9.0.121-1.1 | openSUSE-SU-2026:11759-1 |
| openSUSE Tumbleweed | tomcat10 | 10.1.59-1.1 | openSUSE-SU-2026:11760-1 |
| openSUSE Tumbleweed | tomcat11 | 11.0.25-1.1 | openSUSE-SU-2026:11761-1 |
| openSUSE Leap 16.0 | tomcat | 9.0.121-160000.1.1 | openSUSE-SU-2026:21823-1 |
| openSUSE Leap 16.0 | tomcat10 | 10.1.59-160000.1.1 | openSUSE-SU-2026:21810-1 |
| openSUSE Leap 16.0 | tomcat11 | 11.0.25-160000.1.1 | openSUSE-SU-2026:21811-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | tomcat11 +7 | 1:11.0.26-1.amzn2023.0.1 | ALAS2023-2026-3151 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | tomcat +7 | 1:10.1.49-5.el10_2 | ELSA-2026-92862 |
| Oracle Linux 9 | tomcat +7 | 1:9.0.121-1.el9_8 | ELSA-2026-93469 |
| Oracle Linux 8 | tomcat +7 | 1:9.0.121-1.el8_10 | ELSA-2026-92869 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | thingsboard-tb-node +1 | 4.3.1.4-r2 | — |
Affected packages
Advisories 33
- RLSA-2026:98523 Important: tomcat security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-3007 Apache Tomcat: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- WID-SEC-2026-4056 Atlassian Produkte (Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- ALSA-2026:92862 Important: tomcat security, bug fix, and enhancement update AlmaLinux Security Advisories · Nov 10, 2026
- RLSA-2026:93469 Important: tomcat security update Rocky Linux Security Advisories · Nov 3, 2026
- ALSA-2026:93469 Important: tomcat security update AlmaLinux Security Advisories · Nov 2, 2026
- WID-SEC-2026-3595 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- ELSA-2026-93469 Important: tomcat security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 2, 2026
- RLSA-2026:92869 Important: tomcat security update Rocky Linux Security Advisories · Oct 31, 2026
- ALSA-2026:92869 Important: tomcat security update AlmaLinux Security Advisories · Oct 31, 2026
- ELSA-2026-92862 Important: tomcat security, bug fix, and enhancement update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 30, 2026
- ELSA-2026-92869 Important: tomcat security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 29, 2026
- RHSA-2026:76952 Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.2 release and security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2026:73981 Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.5 release and security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2026:63137 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- RHSA-2026:56039 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- ALAS2023-2026-3151 Important: tomcat11 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 12, 2026
- SUSE-SU-2026:23691-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23710-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23711-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23720-1 Security update for tomcat SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23690-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:23700-1 Security update for tomcat SUSE / openSUSE Security Updates · Sep 29, 2026
- SUSE-SU-2026:4203-1 Security update for tomcat SUSE / openSUSE Security Updates · Sep 16, 2026
- SUSE-SU-2026:4126-1 Security update for tomcat SUSE / openSUSE Security Updates · Sep 15, 2026
- SUSE-SU-2026:4114-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Sep 14, 2026
- SUSE-SU-2026:4119-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Sep 14, 2026
- openSUSE-SU-2026:21823-1 Security update for tomcat SUSE / openSUSE Security Updates · Sep 12, 2026
- openSUSE-SU-2026:11759-1 tomcat-9.0.121-1.1 on GA media SUSE / openSUSE Security Updates · Sep 12, 2026
- openSUSE-SU-2026:11760-1 tomcat10-10.1.59-1.1 on GA media SUSE / openSUSE Security Updates · Sep 12, 2026
- openSUSE-SU-2026:11761-1 tomcat11-11.0.25-1.1 on GA media SUSE / openSUSE Security Updates · Sep 12, 2026
- openSUSE-SU-2026:21811-1 Security update for tomcat11 SUSE / openSUSE Security Updates · Sep 10, 2026
- openSUSE-SU-2026:21810-1 Security update for tomcat10 SUSE / openSUSE Security Updates · Sep 10, 2026
References
- https://lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m vendor-advisory