CVE-2026-54547 Meta Ads MCP: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token

Meta Ads MCP is a Model Context Protocol MCP server that lets AI assistants run Meta Ads. Prior to version 1.0.115, AuthInjectionMiddleware in metaadsmcp/core/httpauthintegration.py rejects HTTP MCP requests only when both authtoken and pipeboardtoken are absent, while extracttokenfromheaders doe...