UBUNTU-CVE-2026-34486
A vulnerability in Apache Tomcat (versions 11.0.20, 10.1.53, and 9.0.116) allows bypassing the EncryptInterceptor, resulting in missing encryption of sensitive data. This issue arose due to a fix for a previous vulnerability (CVE-2026-29146) that inadvertently introduced this bypass. Upgrading to versions 11.0.21, 10.1.54, or 9.0.117 addresses the problem. Several Ubuntu-specific Tomcat 8.5 versions are also affected.
AI Analysis
Technical Summary
The vulnerability identified as UBUNTU-CVE-2026-34486 affects Apache Tomcat versions 11.0.20, 10.1.53, and 9.0.116. It involves a missing encryption of sensitive data due to a bypass of the EncryptInterceptor, which was introduced by the prior fix for CVE-2026-29146. This allows sensitive data to remain unencrypted, potentially exposing it to unauthorized access. The issue is resolved in Apache Tomcat versions 11.0.21, 10.1.54, and 9.0.117.
Potential Impact
The vulnerability results in the failure to encrypt sensitive data, which can lead to exposure of confidential information. According to the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), the impact is high confidentiality loss without affecting integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat installations to versions 11.0.21, 10.1.54, or 9.0.117 to remediate this vulnerability. No other mitigation steps are indicated by the vendor advisory.
UBUNTU-CVE-2026-34486
Description
A vulnerability in Apache Tomcat (versions 11.0.20, 10.1.53, and 9.0.116) allows bypassing the EncryptInterceptor, resulting in missing encryption of sensitive data. This issue arose due to a fix for a previous vulnerability (CVE-2026-29146) that inadvertently introduced this bypass. Upgrading to versions 11.0.21, 10.1.54, or 9.0.117 addresses the problem. Several Ubuntu-specific Tomcat 8.5 versions are also affected.
CVSS v3.1
Score 7.5high
Affected software
pkg:deb/ubuntu/[email protected]~18.04.3+esm6?arch=source&distro=esm-apps/bionicRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as UBUNTU-CVE-2026-34486 affects Apache Tomcat versions 11.0.20, 10.1.53, and 9.0.116. It involves a missing encryption of sensitive data due to a bypass of the EncryptInterceptor, which was introduced by the prior fix for CVE-2026-29146. This allows sensitive data to remain unencrypted, potentially exposing it to unauthorized access. The issue is resolved in Apache Tomcat versions 11.0.21, 10.1.54, and 9.0.117.
Potential Impact
The vulnerability results in the failure to encrypt sensitive data, which can lead to exposure of confidential information. According to the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), the impact is high confidentiality loss without affecting integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat installations to versions 11.0.21, 10.1.54, or 9.0.117 to remediate this vulnerability. No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-34486
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:Pro:18.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a58b4cc68715ace43dab016
Added to database: 07/16/2026, 10:39:08 UTC
Last enriched: 07/16/2026, 13:21:40 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 10
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