CVE-2026-86146

Apache bRPC (versions

nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests

A flaw in nghttp2's nghttpx proxy allows a remote attacker to perform HTTP request smuggling and cross-client response-queue poisoning. This occurs because the proxy ambiguously forwards HTTP/1.1 Upgrade requests that contain a Content-Length header to reusable keep-alive backend connections...

CVE-2026-48830 Apache bRPC: HTTP builtin request can mark a connection authenticated and bypass auth for later requests

Improper authentication in Apache bRPC through 1.17.0 allows a remote unauthenticated attacker to bypass authentication for protected non-builtin HTTP endpoints by first sending a builtin HTTP request on the same HTTP/1.1 keep-alive connection. When ServerOptions.auth is enabled and builtin HTTP...

SUSE-SU-2026:24368-1 Security update for libsoup

This update for libsoup fixes the following issues: - CVE-2026-12547: Header "Proxy-Authorization" leads to credentials being send to different proxy after proxy switch bsc1272195. - CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation bsc1272196. -...

CLSA-2026-1792517219 squid: Fix of 2 CVEs

CVE-2026-61642: reject bare Transfer-Encoding: identity to prevent HTTP request smuggling...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

dotnet: ASP.NET Core Tampering Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to perform tampering over a network...

CLEANSTART-2026-YO77738 HTTP request smuggling in Node

Security vulnerability affects the nodejs-24 package. HTTP request smuggling in Node...

CLEANSTART-2026-GV93850 team has identified a critical vulnerability in the http server of the most recent version of Node, where malformed headers can lead to HTTP request smuggling

Security vulnerability affects the nodejs-24 package. The team has identified a critical vulnerability in the http server of the most recent version of Node, where malformed headers can lead to HTTP request smuggling...

EUVD-2026-106858

IBM i 7.3, 7.4, 7.5, and 7.6 could allow an unathenticated remote attacker to bypass security restrictions due to improper access control. By sending a specially crafted HTTP request to any URL within the Navigator application prior to authentication, a bad actor could exploit this vulnerability ...

Rocky Linux 8 [CIQ] Security Update: pcs / pcs-snmp Multiple Vulnerabilities (crlsa-2026_84798)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202684798 advisory. python-tornado: Tornado: Denial of Service via excessive URL-encoded body fields CVE-2026-82397 python-tornado: Tornado before 6.4.1 HTTP Request Smugglin...

PT-2026-120701

Name of the Vulnerable Software and Affected Versions Cisco Unified Communications Manager affected versions not specified Cisco Unified Communications Manager Session Management Edition affected versions not specified Description An issue exists where improper input validation for specific HTTP...

ROS-20261021-73-0042

The vulnerability in ElasticSearch 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-gunicorn (UTSA-2026-142339)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142339 advisory. Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling HRS vulnerabilities. By crafting requests with conflicting...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libsoup (UTSA-2026-142315)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142315 advisory. A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the soupmessagenew function, could inject arbitrary headers and additional...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

dotnet: ASP.NET Core Tampering Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to perform tampering over a network...

net/http: golang: net/http: HTTP request smuggling via improper handling of HTTP/1 CONNECT responses

A flaw was found in Go's net/http package. When an HTTP server sends a successful response to an HTTP/1 CONNECT request without taking raw control of the connection, it improperly continues to process incoming data as standard HTTP requests instead of establishing a tunnel. A remote attacker can...

dotnet: ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network...

dotnet: ASP.NET Core Tampering Vulnerability

Inconsistent interpretation of http requests 'http request/response smuggling' in ASP.NET Core allows an unauthorized attacker to perform tampering over a network...