01
The ArgoCD Unauthenticated gRPC Flaw: Real Mechanism and Impact
An active vulnerability in ArgoCD enables remote code execution and full Kubernetes cluster takeover through unauthenticated gRPC calls to the API server. The mechanism is precise: ArgoCD implements authentication as HTTP middleware but not as a native gRPC interceptor, leaving a side door open for direct HTTP/2 clients. Versions prior to branches 2.8.6 and 2.9.3 have the documented flaw. If your instance exposes port 8080 to the internet without NetworkPolicy or VPN, you are exposed right now.
02
How to Detect and Remediate Exposed ArgoCD Instances
Do you have ArgoCD in production and are unsure about your exposure? We audit Kubernetes infrastructure with real gRPC port analysis and NetworkPolicy reviews — concrete findings, no fear-selling.
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