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CVE

CVE-2026-82456

10.0
CVSScritical
Exploitable remotely over the internet · no authentication required.
Description

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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
argocd-mcp
Updated Sep 18, 2026View on NVD →
S4E scanner
criticalMisconfiguration~10 seconds

CVE-2026-82456 Scanner

CVE-2026-82456 Scanner - Unauthorized Admin Access vulnerability in argocd-mcp

Used 3 times · 5.9k assets checked · domain, subdomain, ipv4

CVE history: argocd-mcp

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