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The Risk of Exposed Cloud Functions and How to Harden
July 15, 2026 · Google Cloud Security · Severity: HIGH
This article discusses the risks of publicly exposed serverless applications that lack authentication. Attackers can exploit vulnerabilities like LFI, RFI, and command injection to gain control of underlying containers. It provides actionable hardening guidance for Google Cloud Run and other serverless environments.
Key Takeaways
- Publicly exposed serverless apps often lack authentication, creating severe security risks.
- Exploitation of LFI, RFI, or command injection can grant full container control.
- Hardening strategies for Google Cloud Run apply universally to any serverless deployment.