CVE-2026-81092 mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

CVE-2026-81092 mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

CVE-2026-81092

mcp-go before 0.56.0 accepted HTTP requests on its Streamable HTTP and SSE transports without validating the Host header . Specifically, StreamableHTTPServer.ServeHTTP (server/streamable_http.go) and SSEServer.ServeHTTP (server/sse.go) served any request arriving over a loopback connection regard...

CVE-2026-81092

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

CVE-2026-81092 mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

EUVD-2026-67147

mcp-go accepted requests on its HTTP transports without checking the Host header. StreamableHTTPServer.ServeHTTP in server/streamablehttp.go and SSEServer.ServeHTTP in server/sse.go served any request arriving over a loopback connection regardless of the host it named, and the SSE transport's...

CVE-2026-76172

A flaw was found in fast-uri, a software component used for parsing Uniform Resource Identifiers URIs in Node.js applications. This vulnerability arises from an issue in how fast-uri processes the scheme part of a URI, specifically when it contains special characters that are percent-encoded. An...

CVE-2026-75931

A flaw was found in fast-uri, a URI parser for Node.js. This vulnerability arises because the parser fails to consistently convert internationalized domain names IDN to their standard ASCII form when processing scheme-relative references. This inconsistency can lead to host confusion, where an...

CVE-2026-16732

A flaw was found in fastify. When configured with a numeric trustProxy value, an attacker who can directly access the Fastify origin, bypassing the front-facing proxy, can spoof forwarded request fields. This vulnerability allows for host injection in generated URLs, bypasses HTTPS enforcement, a...

Malicious code in rn-push-provisioning (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 77239db1bdbbae9f987b93749d88f1ea172ac43523377e2a47a40a0e0177a023 The package's package.json declares a preinstall lifecycle script node beacon.js || true that runs automatically during npm install. beacon.js reads...

curl: CVE-2026-86410: redirect to SFTP or SCP bypasses host verification

Summary sshsetopts in src/config2setopts.c returns immediately when the initial URL is not SCP or SFTP. This means --knownhosts, --hostpubsha256, and --hostpubmd5 are never installed on the easy handle when the initial URL is HTTPS. If --location --proto-redir +sftp is used and the server returns...

MSC-2026-11517

This package has been identified by Mend as containing potential malicious functionality. The severity of the functionality can change depending on where the library is running user's machine or backend server. The following risks were identified: • Contacting external host – this package sends...

MSC-2026-11516

This package has been identified by Mend as containing potential malicious functionality. The severity of the functionality can change depending on where the library is running user's machine or backend server. The following risks were identified: • Contacting external host – this package sends...

MSC-2026-11513

This package has been identified by Mend as containing potential malicious functionality. The severity of the functionality can change depending on where the library is running user's machine or backend server. The following risks were identified: • Contacting external host – this package sends...

EUVD-2026-66367

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device...

CVE-2026-47852

A local attacker on a multi-user host can pre-create the deterministic cache path and plant a malicious ONNX model file. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.0 - 1.0.9...

CVE-2026-81099: Origin Validation Error

tiger-slack started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. mcp/src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, and a page i...

PT-2026-82573

Name of the Vulnerable Software and Affected Versions tiger-gh-mcp-server versions prior to the commit that implemented the fix Description The MCP HTTP transport was started without enabling the host allow-list provided by the underlying SDK. Specifically, the httpServer.ts file called the...

CVE-2026-75871: Server-Side Request Forgery (SSRF)

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect outbound model requests to an...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firefox (UTSA-2026-104916)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104916 advisory. Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal /../ part in the path could be used to override the specified host. This coul...