InsightsCloud & SaaSHighMalicious MCP Servers Exploit OAuth Metadata Flaw in Rust SDK to Hijack Enterprise Agent TokensCritical OAuth metadata flaw CVE-2026-63127 in rmcp Rust SDK allows rogue Model Context Protocol servers to capture enterprise agent tokens and impersonate identities.Priya Raman·20 Sep 2026, 03:50 IST·13 min read