Apache Tomcat Missing Encryption via EncryptInterceptor Bypass Fixed in 9.0.117
CVE-2026-34486 Published on April 9, 2026

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

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-34486 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Missing Encryption of Sensitive Data

The software does not encrypt sensitive or critical information before storage or transmission. The lack of proper data encryption passes up the guarantees of confidentiality, integrity, and accountability that properly implemented encryption conveys.


Products Associated with CVE-2026-34486

Want to know whenever a new CVE is published for Apache Tomcat? stack.watch will email you.

Apache Tomcat
 

Affected Versions

Apache Software Foundation Apache Tomcat:

Exploit Probability

EPSS
0.01%
Percentile
1.77%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.