# RHSA-2026:39188: jws7-tomcat security update

RHSA-2026:39188, released July 18, 2026, fixes 10 CVEs in jws7-tomcat (version 11.0.21-5.redhat_00004.1.el10jws). One of them is being exploited (CVE-2026-34486); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-39188
- Platform: Linux
- Released: Jul 18, 2026
- Priority: Patch now (Closes CVE-2026-34486, exploited (CISA KEV))
- CVEs: 10, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:39188

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [jws7-tomcat](https://patchblox.com/security/data/product/linux/jws7-tomcat.md) | RHEL 10 | 11.0.21-5.redhat_00004.1.el10jws |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-34486](https://patchblox.com/security/data/cve/CVE-2026-34486.md) | Patch now | tomcat: Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the by... | 7.5 | 0.9850 | CISA KEV |
| [CVE-2026-29146](https://patchblox.com/security/data/cve/CVE-2026-29146.md) | High | tomcat: This update for tomcat fixes the following issues:  Security fixes:  - CVE-2026-24880: Request smuggling via invalid... | 7.5 | 0.0885 |  |
| [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-2026-41284](https://patchblox.com/security/data/cve/CVE-2026-41284.md) | High | jws6-tomcat: Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat... | 7.5 | 0.0084 |  |
| [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-2026-55956](https://patchblox.com/security/data/cve/CVE-2026-55956.md) | Routine | jws6-tomcat: Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet... | 6.5 | 0.0070 |  |
| [CVE-2026-43514](https://patchblox.com/security/data/cve/CVE-2026-43514.md) | Routine | jws6-tomcat: Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tom... | 3.7 | 0.0035 |  |

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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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