# OPENSUSE-SU-2026:21810-1: tomcat10 security update

OPENSUSE-SU-2026:21810-1, released September 8, 2026, fixes 12 CVEs in tomcat10 (version 10.1.59-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-21810-1
- Platform: Linux
- Released: Sep 8, 2026
- Priority: Urgent (Closes CVE-2026-65905, rated Critical)
- CVEs: 12, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:21810-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [tomcat10](https://patchblox.com/security/data/product/linux/tomcat10.md) | opensuse-leap 16.0 | 10.1.59-160000.1.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-65905](https://patchblox.com/security/data/cve/CVE-2026-65905.md) | Urgent | tomcat: Apache Tomcat: Limited replay attack possible with DIGEST authentication (bsc#1276896). | 9.8 | 0.0076 |  |
| [CVE-2026-65637](https://patchblox.com/security/data/cve/CVE-2026-65637.md) | Urgent | tomcat: Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - fix incomplete (bsc#1276895). | 9.8 | 0.0075 |  |
| [CVE-2026-65182](https://patchblox.com/security/data/cve/CVE-2026-65182.md) | Urgent | tomcat: Apache Tomcat: Bypass longest prefix security constraint (bsc#1276893). | 9.1 | 0.0065 |  |
| [CVE-2026-68525](https://patchblox.com/security/data/cve/CVE-2026-68525.md) | Urgent | tomcat: Apache Tomcat: Redirect after FORM auth may bypass method specific constraints (bsc#1276899). | 9.1 | 0.0064 |  |
| [CVE-2026-68763](https://patchblox.com/security/data/cve/CVE-2026-68763.md) | High | tomcat: Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset | 8.2 | 0.0075 |  |
| [CVE-2026-65927](https://patchblox.com/security/data/cve/CVE-2026-65927.md) | High | tomcat: Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control | 8.2 | 0.0068 |  |
| [CVE-2026-68569](https://patchblox.com/security/data/cve/CVE-2026-68569.md) | High | tomcat: Apache Tomcat: Principal lookup can fail open in some cases (bsc#1276900). | 8.2 | 0.0046 |  |
| [CVE-2026-66422](https://patchblox.com/security/data/cve/CVE-2026-66422.md) | High | tomcat: Apache Tomcat: Servlet role references can bypass declarative role constraints (bsc#1276898). | 8.1 | 0.0043 |  |
| [CVE-2026-65183](https://patchblox.com/security/data/cve/CVE-2026-65183.md) | High | tomcat: Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets (bsc#1276894). | 8.1 | 0.0040 |  |
| [CVE-2026-32990](https://patchblox.com/security/data/cve/CVE-2026-32990.md) | High | tomcat: The fix for CVE-2025-66614 was incomplete, so this CVE completes it (bsc#1258371). | 7.3 | 0.0031 |  |
| [CVE-2026-66299](https://patchblox.com/security/data/cve/CVE-2026-66299.md) | Routine | tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example | 5.3 | 0.0055 |  |
| [CVE-2026-73180](https://patchblox.com/security/data/cve/CVE-2026-73180.md) | Routine | tomcat: Apache Tomcat: Authenticated WebSocket session survives end of HTTP session (bsc#1276902). | 6.8 | 0.0044 |  |

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Data as of 2026-11-11T19:49:26Z 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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