# RHSA-2026:49951: jws7-tomcat security update

RHSA-2026:49951, released August 6, 2026, fixes 4 CVEs in jws7-tomcat (version 11.0.21-6.redhat_00005.1.el10jws). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-49951
- Platform: Linux
- Released: Aug 6, 2026
- Priority: High (Closes CVE-2026-53404, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:49951

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [jws7-tomcat](https://patchblox.com/security/data/product/linux/jws7-tomcat.md) | RHEL 10 | 11.0.21-6.redhat_00005.1.el10jws |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-53404](https://patchblox.com/security/data/cve/CVE-2026-53404.md) | High | jws6-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first c... | 7.3 | 0.0070 |  |
| [CVE-2026-55276](https://patchblox.com/security/data/cve/CVE-2026-55276.md) | High | jws7-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty author... | 9.1 | 0.0061 |  |
| [CVE-2026-53434](https://patchblox.com/security/data/cve/CVE-2026-53434.md) | High | jws7-tomcat: Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based conn... | 9.1 | 0.0059 |  |
| [CVE-2026-59083](https://patchblox.com/security/data/cve/CVE-2026-59083.md) | High | jws7-tomcat: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security cons... | 9.1 | 0.0052 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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