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argocd-mcpargocd-mcp 0.8.0 Authentication Bypass via Unauthenticated HTTP

Risk 87
Severity
10
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

argocd-mcp 0.8.0 binds its HTTP transport to every network interface and accepts MCP sessions without requiring caller credentials when ARGOCDAPITOKEN 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.

First published (updated )
CVE-2026-82456

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