CVE-2026-34486: Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
In CISA’s Known Exploited Vulnerabilities catalog: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
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.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · CWE-311
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Apache Software Foundation: Apache TomcatRed Hat: Red Hat Enterprise Linux 10Red Hat: Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat: Red Hat Enterprise Linux 6Red Hat: Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat: Red Hat Enterprise Linux 8Red Hat: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9Red Hat: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat: Red Hat JBoss Web Server 5Red Hat: Red Hat JBoss Web Server 6Red Hat: Red Hat JBoss Web Server 7.0.0Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 10Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 8Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 9
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)