# CVE-2026-34486: Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor

> CVE-2026-34486: Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2026-34486
Last updated: 2026-09-21T19:43:41Z

- Published: 2026-04-09 19:35 UTC · Updated: 2026-09-21 19:43 UTC · Assigner: apache
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 98.5%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-08-04, federal due date 2026-08-07, ransomware use: Unknown
- CWE: CWE-311

## Description

Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

## CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

## Affected vendors and products

- Apache Software Foundation: Apache Tomcat
- Red Hat: Red Hat Enterprise Linux 10
- Red Hat: Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat: Red Hat Enterprise Linux 6
- Red Hat: Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat: Red Hat Enterprise Linux 8
- Red Hat: Red Hat Enterprise Linux 8.8 Telecommunications Update Service
- Red Hat: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
- Red Hat: Red Hat Enterprise Linux 9
- Red Hat: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
- Red Hat: Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
- Red Hat: Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat: Red Hat JBoss Web Server 5
- Red Hat: Red Hat JBoss Web Server 6
- Red Hat: Red Hat JBoss Web Server 7.0.0
- Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 10
- Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 8
- Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 9

## Tracked companies

- [Jira](https://rewindex.com/company/jira.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-34486)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-34486)
- [https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly](https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-34486 · Markdown: https://rewindex.com/cve/CVE-2026-34486.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-34486 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:47.718Z