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Vulnerabilities of Apache Software Foundation Apache Tomcat

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CVE Summary Score Published
CVE-2026-65927 Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing… Not rated Aug 25, 2026
CVE-2026-65905 Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator Not rated Aug 25, 2026
CVE-2026-65637 Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990 Not rated Aug 25, 2026
CVE-2026-65183 Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets… Not rated Aug 25, 2026
CVE-2026-65182 Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a… Not rated Aug 25, 2026
CVE-2026-66299 Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example Not rated Jul 28, 2026
CVE-2026-59084 Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the… Not rated Jul 14, 2026
CVE-2026-59083 Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security… Not rated Jul 14, 2026
CVE-2026-55957 Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate… Not rated Jun 29, 2026
CVE-2026-55956 Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet… Not rated Jun 29, 2026
CVE-2026-55955 Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in… Not rated Jun 29, 2026
CVE-2026-55276 Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty… Not rated Jun 29, 2026
CVE-2026-53434 Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based… Not rated Jun 29, 2026
CVE-2026-53404 Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first… Not rated Jun 29, 2026
CVE-2026-50229 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess… Not rated Jun 29, 2026
CVE-2026-43515 Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in… Not rated May 12, 2026
CVE-2026-43514 Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat Not rated May 12, 2026
CVE-2026-43513 Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat Not rated May 12, 2026
CVE-2026-43512 DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat Not rated May 12, 2026
CVE-2026-41293 Improper Input Validation vulnerability in Apache Tomcat Not rated May 12, 2026
CVE-2026-42498 Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache… Not rated May 12, 2026
CVE-2026-41284 Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat Not rated May 12, 2026
CVE-2026-34500 CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in… Not rated Apr 9, 2026
CVE-2026-34487 Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of… Not rated Apr 9, 2026
CVE-2026-34486 Exploited Apache Tomcat Missing Encryption of Sensitive Data Vulnerability Not rated Apr 9, 2026

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