Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by HTTP request smuggling and a denial of service. This affects IBM WebSphere Application Server Liberty with the servlet-3.0, servlet-3.1,...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by multiple vulnerabilities (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by HTTP request smuggling and a denial of service. This affects IBM WebSphere Application Server Liberty with the servlet-3.0, servlet-3.1,...

USN-8495-1: nghttp2 vulnerability

It was discovered that the nghttp2 nghttpx proxy incorrectly handled HTTP/1.1 Upgrade requests that included a Content-Length header and body. A remote attacker could possibly use this issue to perform HTTP request and response smuggling attacks against backend services...

Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-41293, CVE-2026-24880) affect Power HMC.

Summary The Apache Tomcat Server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-41293 DESCRIPTION: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1...

CVE-2026-11541

IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are affected by an HTTP request smuggling vulnerability...

SUSE CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

PT-2026-53990

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.6 Description An HTTP request smuggling issue exists, which occurs when there...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled IBM WebSphere Remote Server, are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty is shipped with IBM WebSphere Remote Server. Information about a security vulnerability affecting IBM WebSphere Application Server and WebSphere Application Server Liberty has been published in a security bulletin...

SUSE-SU-2026:2670-1 Security update for libsoup2

This update for libsoup2 fixes the following issue - CVE-2026-1801: HTTP Request Smuggling in soupfilterinputstreamreadline bsc1257649...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the handling of HTTP/1.1 Upgrade requests containing a Content-Length header and body on reusable keep-alive backend connections. An attacker can manipulate backend responses by crafting ambiguous HTTP messages...

CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

OESA-2026-2704 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: Relative Path Traversal, Improper Isolation or...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by remote code execution and HTTP request smuggling. Vulnerability Details CVEID:CVE-2026-11541 DESCRIPTION: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an...

IBM WebSphere Application Server 8.5.x < 8.5.5.31 / 9.x < 9.0.5.29 RCE (7277550)

The version of IBM WebSphere Application Server running on the remote host is affected by a remote code execution vulnerability as referenced in the 7277550 advisory. - IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerabilit...

Important: Red Hat Security Advisory: Red Hat build of Cryostat security update

An update is now available for the Red Hat build of Cryostat 4 on RHEL 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

CVE-2026-8646

IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security...

CVE-2026-8646

Summary: CVE-2026-8646 affects IBM WebSphere Application Server (traditional), WebSphere Application Server Liberty, and related components. The vulnerability arises from HTTP request smuggling, allowing a remote attacker to bypass security controls, spoof identity, and potentially escalate privi...

CVE-2026-8646 IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security...

EUVD-2026-38251

IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security...

CVE-2026-9072 WebSphere Application Server Remote Code Execution

IBM WebSphere Application Server and IBM WebSphere Application Server Liberty - when using Intelligent Management with the WebSphere WebServer Plug-in component - are vulnerable to remote code execution and denial of service. This vulnerability can be exploited when an attacker impersonates backe...