CVE-2026-108586

1MCP Agent @1mcp/agent 0.20.0 through 0.39.0 contains an incorrect authorization vulnerability that allows authenticated clients to bypass OAuth tag-scope enforcement using negated advanced tag-filter expressions. Attackers holding a single-tag token can send a filter like not to list and invoke...

PT-2026-66663

Name of the Vulnerable Software and Affected Versions Google mcp-toolbox versions 1.3.0 through 1.4.0 Description Incorrect authorization in the direct HTTP API tool invocation endpoint allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature. This occurs when too...