CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
Summary
Apache Tomcat has a vulnerability where it fails to encrypt sensitive data, allowing the EncryptInterceptor to be bypassed. Organizations must apply vendor-provided mitigations to address this flaw and ensure compliance with CISA's risk-based security update guidance.
IFF Assessment
This vulnerability allows for the bypass of encryption, potentially exposing sensitive data, which is detrimental to defenders.
Severity
The vulnerability has a moderate CVSS score of 6.5, indicating a moderate impact. It involves the bypass of encryption, which could lead to sensitive data exposure, and has a relatively low attack complexity.
CISA KEV: Listed as actively exploited. Federal patch due: August 07, 2026. Known ransomware use: Unknown.
Defender Context
This vulnerability in Apache Tomcat highlights the ongoing risk of sensitive data exposure due to encryption bypass. Defenders should prioritize applying vendor patches and implementing workarounds to protect data, especially in internet-facing systems. Adherence to risk-based patching guidance is crucial to manage the threat landscape effectively.