threat-intel
Public GitHub Issue Could Trick GitHub Agentic Workflows Into Leaking Private Repo Data
High
Summary
Researchers at Noma Security discovered a vulnerability, dubbed ‘GitLost,’ in GitHub Agentic Workflows that allows attackers to trick AI agents into leaking private repository content simply by posting a malicious issue on a public repository. The vulnerability stems from indirect prompt injection and the agent’s ability to treat instructions within public issues as legitimate commands, even when those instructions are designed to access and expose private data. This attack requires no stolen credentials or write access, only a public issue and a carefully crafted prompt.
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