JLSEC-2026-1270

Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a chunk's size parsed to a value of 2^64 or larger, it would be truncated to a 64-bit integer. In theory, this bug could enable HTTP request/response smuggling. This...

Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.HttpListener. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Inconsistent interpretation of http...

GHSA-R6MH-95JW-G7QG Microsoft Security Advisory CVE-2026-62899 – .NET Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.HttpListener. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Inconsistent interpretation of http...

CVE-2026-14180 Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

EUVD-2026-56227

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

Linux Distros Unpatched Vulnerability : CVE-2026-14180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue...

Fedora 44 : nghttp2 (2026-084c991d17)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-084c991d17 advisory. - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the preceding...

Security Bulletin: IBM Storage Protect Server is affected by a vulnerability in the netty-codec-http library that could lead to HTTP request smuggling, desynchronization, or RTSP request injection.(CVE-2026-41417).

Summary IBM Storage Protect Server uses the netty-codec-http library in certain components. A vulnerability in netty could allow an attacker to inject malicious CRLF sequences into request URIs, resulting in HTTP request smuggling, protocol desynchronization, and the execution of unintended HTTP ...

CVE-2026-58047

HTTP Smuggling in cPanel allows potential leak of credentials...

CVE-2026-58047

HTTP Smuggling in cPanel allows potential leak of credentials...

MGASA-2026-0309 Updated nghttp2 packages fix a security vulnerability

The updated packages fix a security vulnerability: HTTP Request/Response Smuggling via Upgrade Request with Content-Length. CVE-2026-58055...

NewStart CGSL MAIN 6.06 : docker-image-check Multiple Vulnerabilities (NS-SA-2026-0055)

The remote NewStart CGSL host, running version MAIN 6.06, has docker-image-check packages installed that are affected by multiple vulnerabilities: - net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications...

NewStart CGSL MAIN 6.06 : ipv6nat Multiple Vulnerabilities (NS-SA-2026-0062)

The remote NewStart CGSL host, running version MAIN 6.06, has ipv6nat packages installed that are affected by multiple vulnerabilities: - net/url in Go before 1.11.13 and 1.12.x before 1.12.8 mishandles malformed hosts in URLs, leading to an authorization bypass in some applications. This is...

CVE-2026-15325

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to HTTP Request/Response Smuggling in Starlette [CVE-2026-48710]

Summary IBM Watson Speech Services Cartridge is vulnerable to HTTP Request/Response Smuggling in Starlette, due to a routing algorithm which relies on the raw HTTP path while request.url is rebuilt from the Host header, potentially allowing a malformed header to make request.url.path differ from...

CVE-2026-64785

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is affected by an HTTP Request/Response Smuggling Vulnerability in Netty (CVE-2026-50020)

Summary Netty is used by IBM UrbanCode Deploy UCD for network communication. CVE-2026-50020. Vulnerability Details CVEID:CVE-2026-50020 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, before...

Security Bulletin: Multiple Vulnerabilities affect IBM License Metric Tool v9

Summary Multiple vulnerabilities have been addressed in components used by IBM License Metric Tool Vulnerability Details CVEID:CVE-2026-38969 DESCRIPTION: Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that...

Security update for nghttp2

This update for nghttp2 fixes the following issue CVE-2026-58055: HTTP/1.1 Upgrade request can lead to HTTP request smuggling and cross-client response-queue poisoning bsc1269489. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate ...

CVE-2026-12606

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...