Vulnerability · Published Apr 9, 2026 · Assigned by apache
CVE-2026-29145Apache Tomcat, Apache Tomcat Native: OCSP checks sometimes soft-fail even when soft-fail is disabled
Critical 9.1
In plain English
A critical-severity improper authentication in Apache Tomcat from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13. Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | tomcat | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-admin-webapps | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-admin-webapps | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-docs-webapp | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-docs-webapp | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-el-3.0-api | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-el-3.0-api | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-jsp-2.3-api | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-jsp-2.3-api | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-lib | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-lib | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-servlet-4.0-api | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-servlet-4.0-api | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:8 | tomcat-webapps | 1:9.0.120-1.el8_10 | ALSA-2026:68677 |
| AlmaLinux:9 | tomcat-webapps | 1:9.0.117-1.el9_8 | ALSA-2026:26323 |
| AlmaLinux:10 | tomcat9 | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9 | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-admin-webapps | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-admin-webapps | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-docs-webapp | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-docs-webapp | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-el-3.0-api | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-el-3.0-api | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-jsp-2.3-api | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-jsp-2.3-api | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-lib | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-lib | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-servlet-4.0-api | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-servlet-4.0-api | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| AlmaLinux:10 | tomcat9-webapps | 1:9.0.117-1.el10_2.alma.1 | ALSA-2026:25341 |
| AlmaLinux:10 | tomcat9-webapps | 1:9.0.117-2.el10_2.alma.1 | ALSA-2026:36790 |
| Alpine:v3.23 | tomcat-native | 2.0.12-r0 | ALPINE-CVE-2026-29145 |
| Alpine:v3.24 | tomcat-native | 2.0.12-r0 | ALPINE-CVE-2026-29145 |
| Debian:12 | tomcat10 | 10.1.55-1~deb12u1 | DEBIAN-CVE-2026-29145 |
| Debian:13 | tomcat10 | 10.1.55-1~deb13u1 | DEBIAN-CVE-2026-29145 |
| Debian:14 | tomcat10 | 10.1.54-1 | DEBIAN-CVE-2026-29145 |
| Debian:13 | tomcat11 | 11.0.22-1~deb13u1 | DEBIAN-CVE-2026-29145 |
| Debian:14 | tomcat11 | 11.0.21-1 | DEBIAN-CVE-2026-29145 |
| Debian:12 | tomcat9 | 9.0.70-2 | DEBIAN-CVE-2026-29145 |
| Debian:13 | tomcat9 | 9.0.70-2 | DEBIAN-CVE-2026-29145 |
| Debian:14 | tomcat9 | 9.0.70-2 | DEBIAN-CVE-2026-29145 |
| Maven | org.apache.tomcat:tomcat | 10.1.53 | GHSA-95jq-rwvf-vjx4 |
| Maven | org.apache.tomcat:tomcat | 11.0.20 | GHSA-95jq-rwvf-vjx4 |
| Maven | org.apache.tomcat:tomcat | 9.0.116 | GHSA-95jq-rwvf-vjx4 |
| Maven | org.apache.tomcat:tomcat-coyote-ffm | 10.1.53 | GHSA-95jq-rwvf-vjx4 |
| Maven | org.apache.tomcat:tomcat-coyote-ffm | 11.0.20 | GHSA-95jq-rwvf-vjx4 |
| Maven | org.apache.tomcat:tomcat-coyote-ffm | 9.0.116 | GHSA-95jq-rwvf-vjx4 |
| Rocky Linux:10 | tomcat9 | 1:9.0.117-1.el10_2 | RLSA-2026:25341 |
| Ubuntu:24.04:LTS | tomcat10 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:25.10 | tomcat10 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:26.04:LTS | tomcat10 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:25.10 | tomcat11 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:26.04:LTS | tomcat11 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:25.10 | tomcat9 | no fix listed | UBUNTU-CVE-2026-29145 |
| Ubuntu:26.04:LTS | tomcat9 | no fix listed | UBUNTU-CVE-2026-29145 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 – through 11.0.1810.1.0-M7 – through 10.1.529.0.83 – through 9.0.115 |
| Apache Software Foundation | Apache Tomcat Native | 1.1.23 – through 1.1.341.2.0 – through 1.2.391.3.0 – through 1.3.62.0.0 – through 2.0.13 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N