CVE-2026-34486
Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
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.
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. Deadline for federal agencies: 2026-08-07.
7 articles across 6 outlets · first covered Apr 14, 2026 · latest Aug 5, 2026
Coverage timeline
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CISA Flags Critical Flaws in IBM Langflow, N able and Tomcatsecurityaffairs.com · Aug 5, 2026
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CISA warns of exploits in IBM Langflow, Nable, and Tomcat flawswww.securityweek.com · Aug 5, 2026
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Apple tightens bug bounty amid surge of AI generated flaw reportssecurityonline.info · Aug 5, 2026
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N-able N-central Flaw Exploited in the Wild as CISA Adds Three to KEV Catalogsecurityonline.info · Aug 5, 2026
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CISA Adds Apache Tomcat Flaw CVE-2026-34486 to KEV Catalogwww.cisa.gov · Aug 4, 2026
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CISA warns Apache Tomcat flaw CVE-2026-34486 risks datacisa.gov · Aug 4, 2026
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Apache Tomcat Tribes flaw exposes cluster to unauthenticated RCEsocradar.io · Apr 14, 2026