K000163569: Multiple Apache Tomcat vulnerabilities

Security Advisory Description CVE-2026-75973 Improper Authentication vulnerability in Apache Tomcat. When Jakarta Authentication was configured with SimpleAuthConfigProvider as the default provider and multiple web application used that provider, the realm for the first web application to...

CVE-2026-77791 Apache Tomcat: DoS via busy wait during WebSocket close

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

EUVD-2026-85229

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...

CVE-2026-77791

Apache Tomcat is vulnerable to a Denial of Service (DoS) attack due to an uncontrolled resource consumption issue occurring during the sending of a WebSocket close message . The root cause is a busy wait condition that can be triggered by an attacker. This vulnerability affects versions 11.0.0-M5...

CVE-2026-77791: Uncontrolled Resource Consumption

Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack. This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121. The following versions were EOL at the time...