EXPLOIT-CVE-2026-42559

CVE-2026-42559 — DNS rebinding in the rmcp Streamable HTTP server transport A self-contained Docker lab and Python proof of concept for CVE-2026-42559 GHSA-89vp-x53w-74fx / RUSTSEC-2026-0189. | ---|--- Affected| rmcp — the official Rust SDK for the Model Context Protocol — 1.4.0 Fixed in| 1.4.0...

CVE-2026-65219

A flaw in the BMC RAKP+ implementation may allow an attacker to send a request followed by a specially crafted RAKP message and establish an RMCP+ session, which could then be used to execute commands...

CVE-2026-65219

A flaw in the BMC RAKP+ implementation on Supermicro hardware allows an attacker to send a request followed by a specially crafted RAKP message. This vulnerability enables the attacker to establish an RMCP+ session , which can then be used to execute commands . The root cause is identified as an ...

EUVD-2026-110635

A flaw in the BMC RAKP+ implementation may allow an attacker to send a request followed by a specially crafted RAKP message and establish an RMCP+ session, which could then be used to execute commands...

CVE-2026-18450

The Supermicro BMC contains a vulnerability where it fails to correctly enforce integrity and encryption requirements for IPMI commands. This flaw allows an attacker to craft malicious packets to execute arbitrary commands on an active session. Exploitation details and specific affected versions ...

rmcp: RMCP: Token impersonation via missing OAuth resource field validation

A flaw was found in rmcp, a Rust SDK for the Model Context Protocol. The OAuth implementation in rmcp omits the RFC 9728 resource field from ResourceServerMetadata. This allows a malicious Model Context Protocol MCP server to publish metadata for a different legitimate MCP resource. Consequently,...

rmcp: RMCP: Denial of Service via unauthenticated session table leak

A flaw was found in rmcp, a Rust SDK for the Model Context Protocol. An unauthenticated remote attacker can send specially crafted JSON-RPC POST requests to the stateful Streamable HTTP server. These requests cause the server to create and permanently retain session and channel state without prop...

rmcp: RMCP: Token impersonation via missing OAuth resource field validation

A flaw was found in rmcp, a Rust SDK for the Model Context Protocol. The OAuth implementation in rmcp omits the RFC 9728 resource field from ResourceServerMetadata. This allows a malicious Model Context Protocol MCP server to publish metadata for a different legitimate MCP resource. Consequently,...

rmcp: RMCP: Denial of Service via unauthenticated session table leak

A flaw was found in rmcp, a Rust SDK for the Model Context Protocol. An unauthenticated remote attacker can send specially crafted JSON-RPC POST requests to the stateful Streamable HTTP server. These requests cause the server to create and permanently retain session and channel state without prop...

Important: Red Hat Security Advisory: goose security update

An update for goose is now available for Red Hat Enterprise Linux 9. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Security Fixes: goose: Arbitrary command execution via malicious Git configuratio...

rmcp OAuth client fetches server-controlled resource_metadata URLs

Summary The rmcp OAuth client accepts a server-controlled resourcemetadata= URL from the WWW-Authenticate header and fetches it without same-origin or private-network validation. An attacker-controlled MCP server can return a 401 WWW-Authenticate: Bearer resourcemetadata="..." header pointing at ...

GHSA-C9XM-49CP-XCR9 rmcp OAuth client fetches server-controlled resource_metadata URLs

Summary The rmcp OAuth client accepts a server-controlled resourcemetadata= URL from the WWW-Authenticate header and fetches it without same-origin or private-network validation. An attacker-controlled MCP server can return a 401 WWW-Authenticate: Bearer resourcemetadata="..." header pointing at ...

SUSE CVE-2026-63127

RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's OAuth implementation in crates/rmcp/src/transport/auth.rs omits the RFC 9728 resource field from ResourceServerMetadata and allows discoveroauthserverviaresourcemetadata to use protected-resource metadat...

SUSE CVE-2026-63128

RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.0.0, the rmcp crate's stateful Streamable HTTP server in crates/rmcp/src/transport/streamablehttpserver/tower.rs allows an unauthenticated client to send a well-formed JSON-RPC POST that is not an initialization request, or a...

SUSE CVE-2026-64684

RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in crates/rmcp/src/transport/common/reqwest/streamablehttpclient.rs builds its defaulthttpclient with reqwest's automatic redirect policy and applies caller-supplied values...

EUVD-2026-81266

RMCP: Custom HTTP headers leak to cross-origin redirect targets...

RMCP: Custom HTTP headers leak to cross-origin redirect targets

Summary The rmcp crate's StreamableHttpClientTransport forwards caller-supplied custom HTTP headers such as X-API-Key, X-Auth-Token, Api-Key to cross-origin redirect targets. The defaulthttpclient function builds a reqwest::Client without a redirect policy override, so the default limited10 polic...

GHSA-9G45-5XWM-F3WC RMCP: Custom HTTP headers leak to cross-origin redirect targets

Summary The rmcp crate's StreamableHttpClientTransport forwards caller-supplied custom HTTP headers such as X-API-Key, X-Auth-Token, Api-Key to cross-origin redirect targets. The defaulthttpclient function builds a reqwest::Client without a redirect policy override, so the default limited10 polic...

Linux Distros Unpatched Vulnerability : CVE-2026-64684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in...

CVE-2026-64684

RMCP is an official Rust SDK for the Model Context Protocol. Prior to 2.1.0, the rmcp crate's StreamableHttpClientTransport in crates/rmcp/src/transport/common/reqwest/streamablehttpclient.rs builds its defaulthttpclient with reqwest's automatic redirect policy and applies caller-supplied values...