PYSEC-2026-4257 PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface

Summary PraisonAI's MCP HTTP-stream server authenticates requests only when an API key is configured; the CLI defaults --api-key to None, so praisonai mcp serve --transport http-stream exposes the full MCP surface unauthenticated. A request with no Authorization and no Origin can initialize and...

GHSA-5866-9272-QCFV Duplicate Advisory: PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hc5v-gxvj-58wh. This link is maintained to preserve external references. Original Description PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key...

CVE-2026-61427

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...

PT-2026-108629

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hc5v-gxvj-58wh. This link is maintained to preserve external references. Original Description PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key...