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 ...

CVE-2026-12606: Inconsistent Interpretation of HTTP Requests

Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP request smuggling. Grizzly 5.0.1 supports system properties that enable the behavior that fixes the vulnerability - set...

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...

CVE-2026-27690: Inconsistent Interpretation of HTTP Requests

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 ...

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...

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...

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...

Security Bulletin: IBM WebSphere Application Server shipped with Jazz for Service Management (JazzSM) is affected by HTTP request smuggling

Summary IBM WebSphere Application Server shipped with Jazz for Service Management JazzSM is affected by HTTP request smuggling CVE-2026-11541 Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected Products and Versions Affected Products| Versions...

CVE-2025-3110: Inconsistent Interpretation of HTTP Requests

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

Eventlet affected by HTTP request smuggling in unparsed trailers

ImpactThe 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 PatchesProblem has been...

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 WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by remote code execution and HTTP request smuggling. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section...

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

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM Enterprise Application Runtimes, are affected by remote code execution and HTTP request smuggling. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes...

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

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by remote code execution and HTTP request smuggling. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section...

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...