


Perceptive Security
SOC/SIEM Consultancy

Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor.
Published:
4 August 2026 at 00:00:00
Alert date:
4 August 2026 at 18:03:19
Source:
cisa.gov

Web Technologies, Enterprise Applications
CVE-2026-34486 is a vulnerability in Apache Tomcat involving missing encryption of sensitive data that allows attackers to bypass the EncryptInterceptor security mechanism. This vulnerability is tracked by CISA and listed under BOD 26-04, which prioritizes security updates based on risk. The flaw could expose sensitive data transmitted through Apache Tomcat by circumventing the encryption layer intended to protect it. CISA has included forensic triage requirements as part of the implementation guidance for this directive. The vulnerability is documented in the NVD and discussed in Apache mailing lists. Organizations running Apache Tomcat are advised to apply security updates promptly. The current risk level is rated High, indicating significant potential impact if exploited.
Technical details
Mitigation steps:
Affected products:
Apache Tomcat
Related links:
https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
https://nvd.nist.gov/vuln/detail/CVE-2026-34486
Related CVE's:
Related threat actors:
IOC's:
This article was created with the assistance of AI technology by Perceptive.