Linux · Red Hat · Security advisory · May 27, 2026

RHSA-2026:67163: tomcat9 security update

RHSA-2026:67163, released May 27, 2026, fixes 28 CVEs in tomcat9 (version 9.0.120-1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
28
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.1034
95th percentile

Priority of the 28 CVEs

Patch now 0 Urgent 1 High 22 Routine 5

Fixed package versions

ProductReleaseFixed in
tomcat9RHEL 109.0.120-1.el10_0

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-59084 tomcat11: Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the...9.1 0.0051 None reported
High CVE-2025-55754 jws6-tomcat: Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did not escape A...9.6 0.1034 None reported
High CVE-2025-46701 libtomcat10-embed-java: Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCIservlet allows security constraint bypass o...7.3 0.0314 None reported
High CVE-2026-55957 tomcat: Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authentic...7.3 0.0286 None reported
High CVE-2026-41293 jws6-tomcat: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11...9.8 0.0171 None reported
High CVE-2026-43512 jws6-tomcat: DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects...9.8 0.0133 None reported
High CVE-2025-61795 jws6-tomcat: Improper Resource Shutdown or Release vulnerability in Apache Tomcat. If an error occurred (including exceeding limit...7.5 0.0125 None reported
High CVE-2026-43515 jws6-tomcat: Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in...9.1 0.0122 None reported
High CVE-2026-41284 jws6-tomcat: Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat...7.5 0.0084 None reported
High CVE-2026-29145 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...9.1 0.0073 None reported
High CVE-2026-24880 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...7.5 0.0071 None reported
High CVE-2026-53404 jws6-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first c...7.3 0.0070 None reported
High CVE-2026-42498 jws6-tomcat: Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache To...7.3 0.0069 None reported
High CVE-2026-55276 jws7-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty author...9.1 0.0061 None reported
High CVE-2026-53434 jws7-tomcat: Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based conn...9.1 0.0059 None reported
High CVE-2026-25854 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...7.4 0.0058 None reported
High CVE-2026-24733 tomcat9: Improper Input Validation vulnerability in Apache Tomcat. Tomcat did not limit HTTP/0.9 requests to the GET method7.4 0.0055 None reported
High CVE-2026-59083 jws7-tomcat: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security cons...9.1 0.0052 None reported
High CVE-2026-43513 jws6-tomcat: Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomca...7.5 0.0050 None reported
High CVE-2026-34483 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...7.5 0.0047 None reported
High CVE-2026-34487 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...7.5 0.0046 None reported
High CVE-2026-32990 tomcat: Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affec...7.3 0.0031 None reported
High CVE-2025-66614 tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):...9.1 0.0027 None reported
Routine CVE-2026-50229 tomcat11: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess examp...6.1 0.0409 None reported
Routine CVE-2025-55668 jws6-tomcat: Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 t...6.5 0.0095 None reported
Showing 1 to 25 of 28 1Next

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