Severity: CriticalResearchPrompt injection
Steganographic prompt injection via image files enables credential theft from AI code reviewers and agents
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Researchers demonstrated a technique called Ghostcommit that embeds prompt injection payloads inside PNG images to evade detection by AI code review tools and manipulate autonomous coding agents. The attack successfully bypassed CodeRabbit and Bugbot, then coerced a code agent to extract environment secrets and exfiltrate them into repository code.
What to do
Implement identity-aware content inspection that analyzes all file types in code repositories, not only text.
Mapped framework pillars
Sources
#prompt injection#steganography#credential theft#AI agents#code review#image-based attacks