Wire · opportunities
GitLost: GitHub's AI Agent Tricked Into Leaking Private Repository Data
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Fusion42 · 8 July 2026 · Fusion42 review
Noma Security disclosed GitLost, a critical prompt injection vulnerability in GitHub's Agentic Workflows that allows attackers to trick AI agents into leaking private repository data via crafted GitHub issues. The vulnerability bypasses GitHub's guardrails and requires no credentials, affecting organizations using AI-powered workflow automation.
This Wire brief sits within Fusion42's coverage of AI Agents, Cybersecurity and Developer Tools.
◆ ◆ The Wire takeaway
Founders building on GitHub Agentic Workflows or deploying AI agents in CI/CD pipelines face immediate data exfiltration risk; prompt injection is now a production-grade attack vector requiring architectural redesign of permission models and input handling.
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1 source · 8 Jul 2026
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