threat-intel
'GitLost' Flaw Leaks Private Data from GitHub's Agentic Workflows
High
Summary
A critical prompt injection vulnerability, dubbed ‘GitLost,’ has been discovered in GitHub’s Agentic Workflows, allowing unauthenticated attackers to steal private data from an organization’s repositories by crafting a GitHub Issue in a public repository. The flaw leverages the AI agent’s context window and its tendency to treat attacker-provided text as trusted instructions, leading to exposure of sensitive information. GitHub has acknowledged the issue and updated documentation, but the vulnerability highlights a broader security concern regarding agentic AI systems.
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