argocd-mcp 0.8.0 binds its HTTP transport to every network interface and accepts MCP sessions without requiring caller credentials when ARGOCD_API_TOKEN is configured.
CVSS 4.0CRITICAL 10.0·Network·No auth·No interaction·EPSS 0.02367·Published 2026-08-29·Fixed in 0.9.0CWE-1327
argocd-mcp (Argo CD MCP Server) through 0.9.0 contains a path traversal vulnerability in the delete_application tool that allows MCP clients to reach unintended API endpoints via unvalidated applicationName values.