# CVE-2025-55668: jws6-tomcat: Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 t...

CVE-2025-55668 is fixed in 29 products on 1 platform, first by ALAS2023-2025-1065, released July 3, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-55668
- Priority: Routine
- CVSS: 6.5 (moderate)
- EPSS: 0.0095
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 3, 2025

## Description

Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jws6-tomcat RHEL 10 | 10.1.49-7.redhat_00006.1.el10jws | [RHSA-2026:2740](https://patchblox.com/security/data/fix/linux/rhsa-2026-2740.md) | Oct 27, 2025 |
| Linux | tomcat RHEL 10 | 10.1.49-1.el10 | [RHSA-2026:18537](https://patchblox.com/security/data/fix/linux/rhsa-2026-18537.md) | Oct 27, 2025 |
| Linux | tomcat RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat rocky 10 | 1:10.1.49-1.el10_2.1 | [RLSA-2026:18537](https://patchblox.com/security/data/fix/linux/rlsa-2026-18537.md) | May 29, 2026 |
| Linux | tomcat-admin-webapps RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-admin-webapps RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-admin-webapps almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-admin-webapps ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-admin-webapps ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-docs-webapp RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-docs-webapp RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-docs-webapp almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-docs-webapp ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-docs-webapp ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-el-3.0-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-el-3.0-api RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-el-3.0-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-el-3.0-api ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-el-5.0-api ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-jsp-2.3-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-jsp-2.3-api RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-jsp-2.3-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-jsp-2.3-api ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-jsp-3.1-api ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-lib RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-lib RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-lib almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-lib ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-lib ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-servlet-4.0-api RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-servlet-4.0-api RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-servlet-4.0-api almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-servlet-4.0-api ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat-servlet-6.0-api ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-webapps RHEL 8 | 1:9.0.120-1.el8_10 | [RHSA-2026:68677](https://patchblox.com/security/data/fix/linux/rhsa-2026-68677.md) | Sep 19, 2026 |
| Linux | tomcat-webapps RHEL 9 | 1:9.0.110-2.el9_8 | [RHSA-2026:18916](https://patchblox.com/security/data/fix/linux/rhsa-2026-18916.md) | May 27, 2026 |
| Linux | tomcat-webapps almalinux 8 | 1:9.0.120-1.el8_10 | [ALSA-2026:68677](https://patchblox.com/security/data/fix/linux/alsa-2026-68677.md) | Sep 17, 2026 |
| Linux | tomcat-webapps ol 10 | 1:10.1.49-3.el10_2 | [ELSA-2026-18537](https://patchblox.com/security/data/fix/linux/elsa-2026-18537.md) | Jul 21, 2026 |
| Linux | tomcat-webapps ol 9 | 1:9.0.117-1.el9_8 | [ELSA-2026-18916](https://patchblox.com/security/data/fix/linux/elsa-2026-18916.md) | Jun 29, 2026 |
| Linux | tomcat10 Debian 12.15 (bookworm) | 10.1.52-1~deb12u1 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat10 Debian 13.5 (trixie) | 10.1.52-1~deb13u1 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat10 Debian 14 | 10.1.46-1 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat10 amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-admin-webapps amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-docs-webapp amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-el-5.0-api amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-jsp-3.1-api amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-lib amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-servlet-6.0-api amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat10-webapps amzn 2023 | 1:10.1.43-1.amzn2023.0.1 | [ALAS2023-2025-1093](https://patchblox.com/security/data/fix/linux/alas2023-2025-1093.md) | Jul 21, 2025 |
| Linux | tomcat11 Debian 13.5 (trixie) | 11.0.15-1~deb13u1 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat11 Debian 14 | 11.0.11-1 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat9 Debian 12.15 (bookworm) | 9.0.70-2 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat9 Debian 13.5 (trixie) | 9.0.70-2 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat9 Debian 14 | 9.0.70-2 | [DEBIAN-CVE-2025-55668](https://patchblox.com/security/data/fix/linux/debian-cve-2025-55668.md) | Aug 13, 2025 |
| Linux | tomcat9 RHEL 10 | 9.0.120-1.el10_0 | [RHSA-2026:67163](https://patchblox.com/security/data/fix/linux/rhsa-2026-67163.md) | May 27, 2026 |
| Linux | tomcat9 amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9 ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-admin-webapps amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-admin-webapps ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-docs-webapp amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-docs-webapp ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-el-3.0-api amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-el-3.0-api ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-jsp-2.3-api amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-jsp-2.3-api ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-lib amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-lib ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-servlet-4.0-api amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-servlet-4.0-api ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |
| Linux | tomcat9-webapps amzn 2023 | 1:9.0.106-1.amzn2023.0.1 | [ALAS2023-2025-1065](https://patchblox.com/security/data/fix/linux/alas2023-2025-1065.md) | Jul 3, 2025 |
| Linux | tomcat9-webapps ol 10 | 1:9.0.117-2.el10_2 | [ELSA-2026-18536](https://patchblox.com/security/data/fix/linux/elsa-2026-18536.md) | Jul 21, 2026 |

---

Data as of 2026-11-08T13:06:02Z 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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