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CVE-2026-344867.5/HIGHEPSS 94.0%CISA KEV
2026-04-09

Apache Tomcat EncryptInterceptor Bypass and Sensitive Data Exposure Vulnerability (CVE-2026-34486)

[Affected Scope] Apache Tomcat versions 11.0.20, 10.1.53, and 9.0.116 utilizing clustering with EncryptInterceptor enabled

[Impact] Incomplete fix for CVE-2026-29146 allows attackers to bypass the EncryptInterceptor, leading to the transmission of sensitive session data in plaintext across the network

[Mitigation] Immediately upgrade to patched Apache Tomcat versions 11.0.21, 10.1.54, or 9.0.117