AI GitHub Agents: How One Issue Leaked Private Repos | UpGuard
ID: 396a943f-29da-5fed-a2ae-8ed66e92eb54
STIX ID: report--396a943f-29da-5fed-a2ae-8ed66e92eb54
Feed Name: UpGuard Blog
Threat Score
## Executive summary This report documents prompt-injection and tool-poisoning vulnerabilities in AI agent ecosystems (MCP servers) that enabled exfiltration of private repositories and database tokens in demonstrated case studies; it outlines attack patterns (indirect prompt injection, tool poisoning, tool chaining), the "lethal trifecta" assessment for exposure, and pragmatic remediation priorities such as permission scoping and improved visibility.
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