# RHSA-2026:67164: tomcat security update

RHSA-2026:67164, released June 29, 2026, fixes 7 CVEs in tomcat (version 10.1.49-1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-67164
- Platform: Linux
- Released: Jun 29, 2026
- Priority: High (Closes CVE-2026-55957, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:67164

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [tomcat](https://patchblox.com/security/data/product/linux/tomcat.md) | RHEL 10 | 10.1.49-1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-55957](https://patchblox.com/security/data/cve/CVE-2026-55957.md) | High | tomcat: Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authentic... | 7.3 | 0.0286 |  |
| [CVE-2026-41293](https://patchblox.com/security/data/cve/CVE-2026-41293.md) | High | jws6-tomcat: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11... | 9.8 | 0.0171 |  |
| [CVE-2026-43512](https://patchblox.com/security/data/cve/CVE-2026-43512.md) | High | jws6-tomcat: DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects... | 9.8 | 0.0133 |  |
| [CVE-2026-43515](https://patchblox.com/security/data/cve/CVE-2026-43515.md) | High | jws6-tomcat: Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in... | 9.1 | 0.0122 |  |
| [CVE-2026-42498](https://patchblox.com/security/data/cve/CVE-2026-42498.md) | High | jws6-tomcat: Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache To... | 7.3 | 0.0069 |  |
| [CVE-2026-43513](https://patchblox.com/security/data/cve/CVE-2026-43513.md) | High | jws6-tomcat: Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomca... | 7.5 | 0.0050 |  |
| [CVE-2026-32990](https://patchblox.com/security/data/cve/CVE-2026-32990.md) | High | tomcat: Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affec... | 7.3 | 0.0031 |  |

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Data as of 2026-11-07T18:46:35Z 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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