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wid-sec-w-2026-1038  ·  Published 2026-04-09  ·  View on BSI CERT-Bund ↗

Apache Tomcat and Tomcat Native: Multiple Vulnerabilities

CVSS N/A NONE

Risk Summary

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue. Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100. Other, unsupported versions may also be affected Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue. Configured cipher preference order not preserved vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue. CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13. Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.

Affected Vendors

Apache

Affected Products (20)

Apache · Tomcat <11.0.20
Apache · Tomcat 11.0.20
Apache · Tomcat <10.1.52
Apache · Tomcat 10.1.52
Apache · Tomcat <9.0.116
Apache · Tomcat 9.0.116
Apache · Tomcat <10.1.53
Apache · Tomcat 10.1.53
Apache · Tomcat Native <1.3.7
Apache · Tomcat Native 1.3.7
Apache · Tomcat Native <2.0.14
Apache · Tomcat Native 2.0.14
Apache · Tomcat <11.0.19
Apache · Tomcat 11.0.19
Apache · Tomcat <11.0.21
Apache · Tomcat 11.0.21
Apache · Tomcat <10.1.54
Apache · Tomcat 10.1.54
Apache · Tomcat <9.0.117
Apache · Tomcat 9.0.117

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