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 ...

CVE-2026-63127

creationtimestamp| type| source ---|---|--- 2026-09-17 00:35:09+00:00| published-proof-of-concept| https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-33f5-2c5q-wgwj 2026-09-17 03:31:23+00:00| seen| https://gist.github.com/alon710/16597bd55d59e6c89394c487c227381c...

CVE-2026-63128

creationtimestamp| type| source ---|---|--- 2026-09-17 00:35:06+00:00| published-proof-of-concept| https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-9pj6-vhgr-3mwh 2026-09-17 02:31:48+00:00| seen| https://gist.github.com/alon710/db9fb10afa43797b42605078feda688f...

CVE-2026-63127

RMCP is the official Rust SDK for the Model Context Protocol . Prior to version 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 discover_oauth_server_via_resource_metadata to use protected-...

Linux Distros Unpatched Vulnerability : CVE-2026-63128

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 2.0.0, the rmcp crate's stateful Streamable HTTP server in...

SUSE CVE-2026-45057

matrix-sdk-ui provides GUI-centric utilities on top of matrix-rust-sdk. The message edit validation logic in the matrix-sdk-ui crate prior to 0.17.0 is missing a check: when replacing an encrypted event, the replacement event itself is not required to be encrypted. This enables a malicious...

Exploit for CVE-2026-42559

CVE-2026-42559 — DNS rebinding in the rmcp Streamable HTTP s...

Malicious Package

Overview api-rust-sdk is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

PT-2026-62047

Name of the Vulnerable Software and Affected Versions aws-sdk-rust versions prior to release-2026-06-02 smithy-rs versions prior to release-2026-06-01 Description Uncontrolled recursion in the JSON, CBOR, and XML deserializer functions emitted by the code generation framework can lead to a denial...

Content Authenticity SDK Input Validation DoS

The vulnerability of the software tools for working with secure metadata, such as the Content Authenticity JS SDK and the Content Authenticity Rust SDK, is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to cause service failures...

Content Authenticity SDK Input Validation DoS

The vulnerability of the software tools for working with secure metadata, such as the Content Authenticity JS SDK and the Content Authenticity Rust SDK, is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to cause service failures...

Content Authenticity SDK Input Validation DoS

The vulnerability of the software tools for working with secure metadata, such as the Content Authenticity JS SDK and the Content Authenticity Rust SDK, is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to cause service failures...

Content Authenticity SDK Countable Loss of Significance DoS

The vulnerability of the software tools for working with secure metadata, such as the Content Authenticity JS SDK and the Content Authenticity Rust SDK, involves a countable loss of significance. Exploiting this vulnerability can allow attackers to cause service failures...

EUVD-2026-30292

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport crates/rmcp/src/transport/streamablehttpserver/ did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to...

CVE-2022-35724

It is possible to provide data to be read that leads the reader to loop in cycles endlessly, consuming CPU. This issue affects Rust applications using Apache Avro Rust SDK prior to 0.14.0 previously known as avro-rs. Users should update to apache-avro version 0.14.0 which addresses this issue...

Matrix Rust SDK security vulnerabilities

Matrix Rust SDK is an open source Rust-based Matrix client server development toolkit from The Matrix.org Foundation. A security vulnerability exists in Matrix Rust SDK 0.14.1 and earlier versions, which stems from a serialization error that could lead to a denial of service...

EUVD-2022-6473

Malicious code in bioql PyPI...

Matrix Rust SDK security vulnerabilities

Matrix Rust SDK is an open source Rust-based Matrix client server development toolkit from The Matrix.org Foundation. A security vulnerability exists in versions of the Matrix Rust SDK prior to 0.14.1, which stems from a potential panic that could be triggered when dealing with permission levels ...

SUSE CVE-2025-53549

The Matrix Rust SDK is a collection of libraries that make it easier to build Matrix clients in Rust. An SQL injection vulnerability in the EventCache::findeventwithrelations method of matrix-sdk 0.11 and 0.12 allows malicious room members to execute arbitrary SQL commands in Matrix clients that...