EUVD-2026-51987

ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP getserversettings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User...

CVE-2026-59822

LiteLLM (proxy server for LLM APIs)Prior to 1.84.0, LiteLLM’s MCP Streamable HTTP endpoint was vulnerable to an unauthenticated exploit where a fabricated Authorization header triggered an OAuth2 passthrough fallback. This path replaced failed LiteLLM key validation with an empty UserAPIKeyAuth()...

EUVD-2026-40384

IBM Langflow OSS 1.0.0 through 1.9.6 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

CVE-2026-8719

The CVE describes a Privilege Escalation in AI Engine 3.4.9 (WordPress plugin: The Chatbot, AI Framework & MCP for WordPress). Root cause: missing WordPress capability enforcement in the MCP OAuth Bearer Token path, allowing any valid OAuth token to grant MCP access without admin privileges. Impa...

GHSA-89VP-X53W-74FX rmcp Streamable HTTP server transport has a DNS rebinding vulnerability

Summary 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 send authenticated requests to an MCP server running...

GHSA-VF6J-C56P-CQ58 MCP-Salesforce's arbitrary attribute access leads to disclosure of Salesforce auth token

Impact Disclosure of Salesforce OAuth bearer tokens used by the MCP. Patches fix applied in 0.1.10 Workarounds Rotate any Salesforce tokens/credentials used by MCP-Salesforce...