AI GitHub Agents: How One Issue Leaked Private Repos | UpGuard
ID: 2ee90947-c87a-5c02-a36a-2d81050ad986
STIX ID: report--2ee90947-c87a-5c02-a36a-2d81050ad986
Feed Name: UpGuard Blog
Threat Score
**Executive summary:** This report documents architectural prompt-injection and tool-poisoning vulnerabilities in AI agent ecosystems (MCP servers) demonstrated by researcher-led incidents that exfiltrated private GitHub repositories and Supabase database tokens; it explains attack vectors (indirect prompt injection, tool poisoning, tool chaining), presents case studies and the "lethal trifecta" risk model, and offers rapid assessment guidance for organizations.
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