# CVE-2026-29129: tomcat11: Configured cipher preference order not preserved vulnerability in Apache Tomcat

CVE-2026-29129 is fixed in 18 products on 1 platform, first by DEBIAN-CVE-2026-29129, released April 9, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-29129
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 9, 2026

## Description

Configured cipher preference order not preserved vulnerability in Apache Tomcat.  This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115.  Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | tomcat opensuse-leap 16.0 | 9.0.117-160000.1.1 | [OPENSUSE-SU-2026:20611-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20611-1.md) | Apr 22, 2026 |
| Linux | tomcat sles 15.6 | 9.0.117-150200.105.1 | [SUSE-SU-2026:1604-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1604-1.md) | Apr 24, 2026 |
| Linux | tomcat sles 15.7 | 9.0.117-150200.105.1 | [SUSE-SU-2026:1604-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1604-1.md) | Apr 24, 2026 |
| Linux | tomcat10 Debian 12.15 (bookworm) | 10.1.55-1~deb12u1 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat10 Debian 13.5 (trixie) | 10.1.55-1~deb13u1 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat10 Debian 14 | 10.1.54-1 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat10 amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10 opensuse-leap 16.0 | 10.1.54-160000.1.1 | [OPENSUSE-SU-2026:20612-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20612-1.md) | Apr 22, 2026 |
| Linux | tomcat10 sles 15.6 | 10.1.54-150200.5.64.1 | [SUSE-SU-2026:1603-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1603-1.md) | Apr 24, 2026 |
| Linux | tomcat10 sles 15.7 | 10.1.54-150200.5.64.1 | [SUSE-SU-2026:1603-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1603-1.md) | Apr 24, 2026 |
| Linux | tomcat10-admin-webapps amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-docs-webapp amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-el-5.0-api amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-jsp-3.1-api amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-lib amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-servlet-6.0-api amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat10-webapps amzn 2023 | 1:10.1.54-1.amzn2023.0.1 | [ALAS2023-2026-1673](https://patchblox.com/security/data/fix/linux/alas2023-2026-1673.md) | May 11, 2026 |
| Linux | tomcat11 Debian 13.5 (trixie) | 11.0.22-1~deb13u1 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat11 Debian 14 | 11.0.21-1 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat11 opensuse-leap 16.0 | 11.0.21-160000.1.1 | [OPENSUSE-SU-2026:20595-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20595-1.md) | Apr 21, 2026 |
| Linux | tomcat11 sles 15.6 | 11.0.21-150600.13.18.1 | [SUSE-SU-2026:1558-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1558-1.md) | Apr 22, 2026 |
| Linux | tomcat11 sles 15.7 | 11.0.21-150600.13.18.1 | [SUSE-SU-2026:1558-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1558-1.md) | Apr 22, 2026 |
| Linux | tomcat9 Debian 12.15 (bookworm) | 9.0.70-2 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat9 Debian 13.5 (trixie) | 9.0.70-2 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat9 Debian 14 | 9.0.70-2 | [DEBIAN-CVE-2026-29129](https://patchblox.com/security/data/fix/linux/debian-cve-2026-29129.md) | Apr 9, 2026 |
| Linux | tomcat9 almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9 amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-admin-webapps almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-admin-webapps amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-docs-webapp almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-docs-webapp amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-el-3.0-api almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-el-3.0-api amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-jsp-2.3-api almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-jsp-2.3-api amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-lib almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-lib amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-servlet-4.0-api almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-servlet-4.0-api amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |
| Linux | tomcat9-webapps almalinux 10 | 1:9.0.117-2.el10_2.alma.1 | [ALSA-2026:36790](https://patchblox.com/security/data/fix/linux/alsa-2026-36790.md) | Jul 8, 2026 |
| Linux | tomcat9-webapps amzn 2023 | 1:9.0.117-1.amzn2023.0.1 | [ALAS2023-2026-1672](https://patchblox.com/security/data/fix/linux/alas2023-2026-1672.md) | May 11, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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