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...

ai.aitia:arrowhead-application-library-java-spring (>=4.4.0.0, <=4.6.0.0), ai.apiverse:apipulse (1.0.1) +12910 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...

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) +8684 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:...

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) +2995 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:...

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...

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:...

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:...

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...

CVE-2026-87022 Apache Tomcat: WebSocket message smuggling with per-message-deflate

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...

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) +8684 more potentially affected by CVE-2026-87022 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-2026-87022 Source advisory: MEND:CVE-2026-87022...

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) +2995 more potentially affected by CVE-2026-87022 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-2026-87022 Source advisory:...

ai.aitia:arrowhead-application-library-java-spring (>=4.4.0.0, <=4.6.0.0), ai.apiverse:apipulse (1.0.1) +12910 more potentially affected by CVE-2026-87022 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-2026-87022 Source advisory: MEND:CVE-2026-87022...

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-2026-87022 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-2026-87022 Source advisory:...

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-2026-87022 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-2026-87022 Source advisory: MEND:CVE-2026-87022...

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-2026-87022 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-2026-87022 Source advisory: MEND:CVE-2026-87022...

CVE-2026-87022

Apache Tomcat is vulnerable to WebSocket message smuggling due to an improper handling of length parameter inconsistency when the per-message-deflate feature is enabled. This vulnerability affects versions 11.0.0-M1 through 11.0.25 , 10.1.0-M1 through 10.1.59 , and 9.0.0.M1 through 9.0.121 . Addi...

CVE-2026-87022 Apache Tomcat: WebSocket message smuggling with per-message-deflate

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-2026-87022

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...