UBUNTU-CVE-2026-87022

Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling when per-message-deflate is used. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following...

CVE-2026-79677

Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat allows a denial of service as a result of lost time outs for asynchronous WebSocket writes. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through...

UBUNTU-CVE-2026-79677

Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat allows a denial of service as a result of lost time outs for asynchronous WebSocket writes. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through...

CVE-2026-77791

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...

UBUNTU-CVE-2026-76183

Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSocket endpoint to be bypassed. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following version...

CVE-2026-76183

Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSocket endpoint to be bypassed. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following version...

UBUNTU-CVE-2026-77791

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-2026-87022

Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling when per-message-deflate is used. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121. The following...

Authentication Bypass by Alternate Name

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via the WebSocket endpoint security constraint...

Authentication Bypass by Alternate Name

Overview org.apache.tomcat:tomcat-websocket is a Tomcat WebSocket JSR356 implementation. Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via the WebSocket endpoint security constraint handling. An attacker can gain unauthorized access to protected...

ai.ancf.lmos-router:lmos-router-llm-in-spring-cloud-gateway-demo (>=0.2.0, <=0.28.0), ai.ancf.lmos:lmos-operator (>=0.0.4, <=0.6.0) +8667 more potentially affected by CVE-2026-76183 via org.apache.tomcat.embed:tomcat-embed-websocket (>=10.1.0-m16, <=10.1.59)

org.apache.tomcat.embed:tomcat-embed-websocket MAVEN version =10.1.0-m16, =0.2.0, =0.0.4, =0.1.3, =0.5.0, =0.6.0, =0.5.0, =0.7.0, =0.7.0, =0.5.0, =0.7.5, =0.8.3, =0.7.0, =0.5.0, =0.5.0, =0.9.2 and more Source cves: CVE-2026-76183 Source advisory:...

io.github.t1willi:jolt (>=2.6.2, <=25.08.4), org.apache.tomee.bom:tomee-webprofile (11.0.0-m1) +15 more potentially affected by CVE-2026-76183 via org.apache.tomcat:tomcat-websocket (>=11.0.0-m20, <=11.0.25)

org.apache.tomcat:tomcat-websocket MAVEN version =11.0.0-m20, =2.6.2, =11.0.0, =11.1.3 and more Source cves: CVE-2026-76183 Source advisory: SNYK:JAVA-ORGAPACHETOMCAT-20532012...

org.apache.tomee.bom:tomee-microprofile (>=10.0.0-m1, <=10.0.0), org.apache.tomee.bom:tomee-plume (>=10.0.0-m1, <=10.0.0) +13 more potentially affected by CVE-2026-76183 via org.apache.tomcat:tomcat-websocket (>=10.1.20, <=10.1.57)

org.apache.tomcat:tomcat-websocket MAVEN version =10.1.20, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.0.0-m1, =10.2.0 Source cves: CVE-2026-76183 Source advisory:...

ai.astraform:remote-domain-template-java-spring (>=0.2.0, <=0.4.4), ai.chatur:cortex-spring-boot-autoconfigure (>=0.0.1, <=0.1.4) +2975 more potentially affected by CVE-2026-76183 via org.apache.tomcat.embed:tomcat-embed-websocket (>=11.0.0-m15, <=11.0.25)

org.apache.tomcat.embed:tomcat-embed-websocket MAVEN version =11.0.0-m15, =0.2.0, =0.0.1, =0.0.1, =4.5.0, =4.5.0, =4.5.0, =4.5.0, =4.5.0, =2.0.0-beta-2, =2.0.0-beta-1, =0.1.1, =0.1.1, =0.1.1, =0.1.1, =0.1.1, =0.2.0 and more Source cves: CVE-2026-76183 Source advisory:...

ai.aitia:arrowhead-application-library-java-spring (>=4.4.0.0, <=4.6.0.0), ai.apiverse:apipulse (1.0.1) +12880 more potentially affected by CVE-2026-76183 via org.apache.tomcat.embed:tomcat-embed-websocket (>=9.0.0.m18, <=9.0.121)

org.apache.tomcat.embed:tomcat-embed-websocket MAVEN version =9.0.0.m18, =4.4.0.0, =0.0.12, =0.5.0, =0.5.0, =0.5.0, =0.5.0, =0.5.0, =0.5.0, =1.4.2, =1.6.6, =j8.2.2.0, =j8.2.2.0, =2.1.0 and more Source cves: CVE-2026-76183 Source advisory: SNYK:JAVA-ORGAPACHETOMCATEMBED-20552494...

cv.igrp:igrp-core (>=1.7.2.230613, <=1.8.3.240913), cv.igrp:igrp-core-war (>=1.7.2.230622, <=1.7.3.230802) +26 more potentially affected by CVE-2026-76183 via org.apache.tomcat:tomcat-websocket (>=9.0.5, <=9.0.121)

org.apache.tomcat:tomcat-websocket MAVEN version =9.0.5, =1.7.2.230613, =1.7.2.230622, =8.0.1, =8.0.5, =8.0.5, =8.0.5, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.0-m1, =8.0.16 and more Source cves: CVE-2026-76183 Source advisory:...

Authentication Bypass by Alternate Name

Overview Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via the WebSocket endpoint security constraint handling. An attacker can gain unauthorized access to protected resources by connecting to endpoints using alternate names. Remediation Upgrade...

Denial of Service (DoS)

Overview org.apache.tomcat:tomcat-websocket is a Tomcat WebSocket JSR356 implementation. Affected versions of this package are vulnerable to Denial of Service DoS via busy wait during WebSocket close. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Missing Release of Resource after Effective Lifetime

Overview org.apache.tomcat:tomcat-websocket is a Tomcat WebSocket JSR356 implementation. Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through the WebSocket write timeout handling in org.apache.tomcat.websocket.WsRemoteEndpointImplBase,...

CVE-2026-83599

A flaw was found in Netdata. An unauthenticated remote attacker can exploit a vulnerability in the WebSocket server's decompression mechanism. By sending small, highly compressed messages, the attacker can cause the server to allocate excessive amounts of memory. This can lead to the exhaustion o...