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Vulnerabilities of Apache Software Foundation Apache Tomcat

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CVE Summary Score Published
CVE-2026-103119 Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body… Not rated Oct 20, 2026
CVE-2026-101356 Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous… Not rated Oct 20, 2026
CVE-2026-101296 A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with… Not rated Oct 20, 2026
CVE-2026-93446 Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently Not rated Oct 20, 2026
CVE-2026-88041 Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into… Not rated Oct 20, 2026
CVE-2026-80353 Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat when creating unix domain sockets for… Not rated Oct 20, 2026
CVE-2026-74049 Execution After Redirect (EAR) vulnerability in Apache Tomcat Not rated Oct 20, 2026
CVE-2026-74048 Not Failing Securely ('Failing Open') vulnerability in Apache Tomcat Not rated Oct 20, 2026
CVE-2026-87022 Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling… Not rated Sep 23, 2026
CVE-2026-86350 Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat caused… Not rated Sep 23, 2026
CVE-2026-86248 CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in… Not rated Sep 23, 2026
CVE-2026-79677 Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat… Not rated Sep 23, 2026
CVE-2026-78437 Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause… Not rated Sep 23, 2026
CVE-2026-78383 Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP… Not rated Sep 23, 2026
CVE-2026-77791 Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS… Not rated Sep 23, 2026
CVE-2026-77762 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache… Not rated Sep 23, 2026
CVE-2026-77756 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat caused… Not rated Sep 23, 2026
CVE-2026-76183 Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any… Not rated Sep 23, 2026
CVE-2026-75973 Improper Authentication vulnerability in Apache Tomcat Not rated Sep 23, 2026
CVE-2026-73581 Improper Check for Certificate Revocation vulnerability in Apache Tomcat Not rated Sep 23, 2026
CVE-2026-73180 Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP… Not rated Aug 25, 2026
CVE-2026-68763 Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking… Not rated Aug 25, 2026
CVE-2026-68569 Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g Not rated Aug 25, 2026
CVE-2026-68525 Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a… Not rated Aug 25, 2026
CVE-2026-66422 Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as… Not rated Aug 25, 2026

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