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SecurityWeek AI Security · July 8, 2026

Critical Vulnerability Exposes GitHub Agentic Workflows to Prompt Injection

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Why it matters

Researchers show how attackers can use a crafted public GitHub Issue to trick AI-powered workflows into exposing data from private repositories without authentication. The post Critical Vulnerability Exposes GitHub Agentic Workflows to Prompt Injection appeared first on SecurityWeek .

My takeaway: Critical Vulnerability Exposes GitHub Agentic Workflows to Prompt Injection is a prompt-injection signal. The practical read is to test trust boundaries around instructions, retrieved content, tools, and user-controlled context instead of treating prompt wording as the primary control.