tomcat: Apache Tomcat: Authenticated WebSocket session persists after HTTP session termination

A flaw was found in Apache Tomcat. This vulnerability, categorized as Insufficient Session Expiration, occurs when an authenticated HTTP session's ID is modified after a WebSocket connection has been established. Under these conditions, the WebSocket session fails to terminate as expected when th...

Important: Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.5 release and security update

Red Hat JBoss Web Server 6.2.5 zip release is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, and Windows Server. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...

tomcat: Apache Tomcat: Error condition not handled when configuring CRLs

A flaw was found in Apache Tomcat. When configuring Certificate Revocation Lists CRLs for a FFM presumably a specific type of connector, the system fails to detect and act upon an error condition. This oversight could lead to unexpected behavior or a security bypass, as the intended security...

tomcat: Apache Tomcat: Misleading security logs due to incorrect control flow

A flaw was found in Apache Tomcat. Due to an always-incorrect control flow implementation, special roles and empty authorization constraints were not accurately included when the effective web.xml configuration was logged. This could lead to a security oversight where administrators might...

Security Bulletin: Maximo AI Service uses multiple third party dependencies which are vulnerable to multiple CVEs.

Summary Maximo AI Service uses tomcat-embed-websocket-10.1.57.jar and logback-classic-1.5.35.jar which are vulnerable to CVE-2026-73180 and CVE-2026-19880. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-19880 DESCRIPTION:...

BIT-TOMCAT-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 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through 9.0.121. The following versions we...

BIT-TOMCAT-2026-86350 Apache Tomcat: Regression in fix for CVE-2026-41293 can trigger request header mix-up

Inconsistent interpretation of HTTP/2 requests 'HTTP Request/Response smuggling' vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41293 can trigger request header mix-up. This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from...

BIT-TOMCAT-2026-86248 Apache Tomcat: Fix for CVE-2026-34500 was incomplete. OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.22 through 10.1.59, from 9.0.92 through 9.0.121. Users are recommended to upgrade to version...

BIT-TOMCAT-2026-79677 Apache Tomcat: WebSocket DoS due to lost asynchronous write timeout

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 through 11.0.25, from 10.1.0 through 10.1.5...

BIT-TOMCAT-2026-78437 Apache Tomcat: HTTP/2 DoS via malformed request

Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially depends on timing cause one request from another user to fail. This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121. Users are...

BIT-TOMCAT-2026-78383 Apache Tomcat: AJP DoS via missing request body

Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP request to pin an AJP processing thread leading to denial of service. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through...

BIT-TOMCAT-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 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 the...

BIT-TOMCAT-2026-77762 Apache Tomcat: Stale HPACK emitter injects trailers into recycled pooled Request

Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in Apache Tomcat allows an attacker to inject trailer fields into another HTTP/2 request. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.39...

BIT-TOMCAT-2026-77756 Apache Tomcat: Transfer-Encoding honored for HTTP/1.0 requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

BIT-TOMCAT-2026-76183 Apache Tomcat: Bypass of security constraints for WebSocket endpoints

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 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through 9.0.121. The following versions were EO...

BIT-TOMCAT-2026-75973 Apache Tomcat: Cross-context authentication mix-up with Jakarta Authentication configured

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 authenticate a request would be used for all web...

BIT-TOMCAT-2026-73581 Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through 9.0.121. The...

PT-2026-105204

Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through 9.0.121. The...

PT-2026-105206

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 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through 9.0.121. The following versions were EO...

PT-2026-105210

Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP request to pin an AJP processing thread leading to denial of service. This issue affects Apache Tomcat: from 11.0.0 through 11.0.25, from 10.1.0 through 10.1.59, from 9.0.0 through...