EEF-CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

Summary httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired...

Important: dotnet9.0

Issue Overview: Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-62899 Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized...

Important: dotnet10.0

Issue Overview: Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-62899 Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized...

Important: dotnet8.0

Issue Overview: Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-62899 Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized...

Amazon Linux 2023 : aspnetcore-runtime-9.0, aspnetcore-runtime-dbg-9.0, aspnetcore-targeting-pack-9.0 (ALAS2023-2026-2096)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2096 advisory. Inconsistent interpretation of http requests 'http request/response smuggling' in .NET allows an unauthorized attacker to bypass a security feature over a network. CVE-2026-62899 Improper...

CVE-2026-54745 Kubeflow Pipelines: Unauthenticated SSRF and HTTP smuggling in Kubeflow Pipelines frontend /_proxy/ route, bypasses ENABLE_AUTHZ=true

Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0, the Kubeflow Pipelines frontend exposes an unauthenticated server-side request forgery vulnerability through the /proxy/ route in frontend/server/proxy-middleware.ts. The...

CVE-2026-54745

Kubeflow Pipelines prior to 2.17.0 is affected by an unauthenticated SSRF vulnerability in the frontend /_proxy/ route (proxy-middleware.ts). The _routePathWithReferer() function forwards an attacker-controlled HTTP/HTTPS origin to createProxyMiddleware without a host allowlist or filtering for l...

CVE-2026-54745 Kubeflow Pipelines: Unauthenticated SSRF and HTTP smuggling in Kubeflow Pipelines frontend /_proxy/ route, bypasses ENABLE_AUTHZ=true

Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0, the Kubeflow Pipelines frontend exposes an unauthenticated server-side request forgery vulnerability through the /proxy/ route in frontend/server/proxy-middleware.ts. The...

CVE-2026-74848 Apache APISIX: Cross-user response poisoning in serverless plugins

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache APISIX. An attacker could make other clients receive attacker-chosen or other users' responses on serverless-plugin routes. This issue affects Apache APISIX: from 2.12.0 through 3.17.0. Users ar...

CVE-2026-74848

Apache APISIX is vulnerable to an HTTP Request/Response Smuggling flaw in serverless-plugin routes , allowing an unauthenticated network attacker to cause other clients to receive attacker-chosen or cross-user responses. The issue affects versions 2.12.0 through 3.17.0 and is fixed in version 3.1...

Astra Linux – Vulnerability in Netty

Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace such as a spaceTransfer-Encoding:chunked line and a later Content-Length header. This issue exists due to an incomplete fix for CVE-2019-16869...

Astra Linux – Vulnerability in HAPProxy

There is an integer overflow in HAProxy versions 2.0 to 2.5, specifically in the htxaddheader function, which can be exploited to perform an HTTP request smuggling attack. This allows an attacker to bypass all configured http-request HAProxy Access Control Lists and possibly other access control...

MiracleLinux 9 : nghttp2-1.43.0-6.el9_8.2 (AXSA:2026-1622:04)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1622:04 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted t...

USN-8650-1: Cap'n Proto vulnerabilities

Chanho Kim and Jihyeok Han discovered that Cap'n Proto incorrectly handled negative Content-Length values or excessively large chunk sizes when processing HTTP messages. An attacker could possibly use these issues to cause HTTP messages to be interpreted inconsistently, resulting in HTTP request ...

USN-8650-1 capnproto vulnerabilities

Chanho Kim and Jihyeok Han discovered that Cap'n Proto incorrectly handled negative Content-Length values or excessively large chunk sizes when processing HTTP messages. An attacker could possibly use these issues to cause HTTP messages to be interpreted inconsistently, resulting in HTTP request ...

Oracle Linux 8 : nghttp2 (ELSA-2026-55804)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-55804 advisory. 1.33.0-6.3 - fix HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

nghttp2 security update

An update is available for nghttp2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list libnghttp2 is a library implementing the Hypertext Transfer Protocol version ...

AlmaLinux 8 : nghttp2 (ALSA-2026:55804)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:55804 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

RockyLinux 8 : nghttp2 (RLSA-2026:55804)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:55804 advisory. nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests CVE-2026-58055 Tenable has extracted the...

.NET: .NET Core: .NET Security Feature Bypass Vulnerability

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