CVE-2026-59951

A flaw was found in the Model Context Protocol MCP Python SDK. Stateful streamable HTTP servers fail to enforce idle session expiration or limits on active sessions, preventing terminated or rejected requests from releasing their resources. A remote attacker can exploit this issue by repeatedly...

CVE-2026-8446: Missing Authentication for Critical Function

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol MCP composer endpoint when mcpcomposerenabled=true default and projects are configured with authtype=oauth...

CVE-2026-44192: Improper Limitation of a Pathname to a Restricted Directory

A flaw was found in the Ansible Lightspeed Model Context Protocol MCP server. This vulnerability, known as path traversal, allows an attacker to manipulate an AI agent through indirect prompt injection. By doing so, the attacker can cause the server to write files to unauthorized locations on the...

CVE-2026-13341: Improper Input Validation

A vulnerability exists in the Kong Konnect Model Context Protocol MCP server prior to version 1.0.0, which could allow a remote attacker to perform an indirect prompt injection attack and execute unintended API requests...

CVE-2026-34742: Initialization of a Resource with an Insecure Default

The Go MCP SDK used Go's standard encoding/json. Prior to version 1.4.0, the Model Context Protocol MCP Go SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication with StreamableHTTPHandler or...