EUVD-2026-43584

Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to ...

The vulnerability of the DefaultHttpRequest and DefaultFullHttpRequest classes in the Netty framework for developing network applications, servers, and client protocols allows a attacker to send hidden HTTP requests (HTTP Request Smuggling attack).

The vulnerability of the DefaultHttpRequest and DefaultFullHttpRequest classes in the Netty framework for developing network applications, servers, and client protocols is related to deficiencies in HTTP request processing. Exploiting this vulnerability allows a malicious actor to send hidden HTT...

PT-2026-57935

Name of the Vulnerable Software and Affected Versions SAP Approuter affected versions not specified Description An unauthenticated attacker can exploit an HTTP Request Smuggling issue by sending a specially crafted HTTP request. This leads to request-response desynchronization, a condition where...

PT-2026-57984

Name of the Vulnerable Software and Affected Versions Eclipse Grizzly versions prior to 5.0.2 Description An issue exists where the software cannot properly parse the trailer section in a malformed trailer header line. This flaw can be leveraged to perform HTTP request smuggling, a technique used...

OPENSUSE-SU-2026:21302-1 Security update for nghttp2

This update for nghttp2 fixes the following issue - CVE-2026-58055: HTTP request/response smuggling via upgrade request with Content-Length bsc1269489...

SUSE-SU-2026:22707-1 Security update for nghttp2

This update for nghttp2 fixes the following issue - CVE-2026-58055: HTTP request/response smuggling via upgrade request with Content-Length bsc1269489...

The vulnerability of the framework for developing network applications, servers, and client protocols using Netty arises from deficiencies in HTTP request processing. This allows attackers to send hidden HTTP requests (HTTP Request Smuggling attack).

The vulnerability of the framework for developing network applications, servers, and client protocols using Netty is related to deficiencies in HTTP request processing. Exploiting this vulnerability allows a malicious actor to send hidden HTTP requests remotely HTTP Request Smuggling attack...

EUVD-2026-33941

mint: Content-Length header accepts non-RFC "+" sign prefix...

OESA-2026-2977 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade...

PYSEC-2026-1350 Eventlet affected by HTTP request smuggling in unparsed trailers

Impact The Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections. This vulnerability could enable attackers to: - Bypass front-end security controls - Launch targeted attacks against active site users - Poison web caches Patches Problem has...

Security Bulletin: IBM Tivoli Composite Application Manager for Application Diagnostics installed IBM WebSphere Application Server is affected by HTTP request smuggling and a denial of service.

Summary The security issue described in CVE-2026-9320 and CVE-2026-8646 has been identified in WebSphere Application Server included as part of IBM Tivoli Composite Application Manager for Application Diagnostics. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fix...

Siemens SENTRON 7KT PAC1261 HTTP Request/Response Smuggling (CVE-2025-22871)

The Go net/http package incorrectly treats a bare line feed LF as a valid line terminator in chunked transfer data. This flaw can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as a line terminator. This plugin only works with...

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...