https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T20:51:40.181518+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-82456 CVE-2026-82456 — argocd-mcp 0.8.0 Authentication Bypass via Unauthenticated HTTP 2026-09-29T20:51:40.192285+00:00

Affected: argoproj-labs argocd-mcp

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. Attackers who can reach the listener can invoke the full tool surface using the operator's stored token to create applications, request syncs, and modify Argo CD resources.