SANS Stormcast Monday, September 14th, 2026: Self-Expanding Stolen LLM Gateways; PAN-OS Vuln; OpenAI Hacked Ruby; Passkey Themed Social Engineering

The Self-Expanding Stolen Inference Supply Chain: An AI Agent Harvesting and Re-Serving LLM Access https://isc.sans.edu/diary/The%20Self-Expanding%20Stolen%20Inference%20Supply%20Chain%3A%20An%20AI%20Agent%20Harvesting%20and%20Re-Serving%20LLM%20Access/33332 CVE-2026-0310 PAN-OS: Buffer Overflow Vulnerability via XML Processing https://security.paloaltonetworks.com/CVE-2026-0310 OpenAI agents carried out an undisclosed cyber-attack on RubyGems https://www.rubyhack.ai Passkey-themed social engineering leads to identity and cloud compromise https://www.microsoft.com/en-us/security/blog/2026/09/09/passkey-themed-social-engineering-leads-identity-cloud-compromise/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich