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'Ghostcommit' hides prompt injection in images to fool AI agents, steal secrets

BACKGROUND
1 SIGNALFIRST DETECTED 11 July 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
13 Jul
Ghostcommit attack hides malicious AI instructions in images

A proof-of-concept attack hides prompt injection in a PNG file, turning routine code reviews into a path for secret theft.

REPORT · WHAT · Malwarebytes LabsOPEN STORY
14 Jul
Inside Ghostcommit: How Malicious PNGs Bypass AI Code Reviewers

<!-- SC_OFF --><div class="md"><p>Key takeaways in 90 seconds:</p> <p>Multimodal Vulnerability: Ghostcommit is a novel supply chain exploit targeting AI coding tools with vision

OPINION · HOW · ChatGPTOPEN STORY
27 Jun
Clean GitHub repo tricks AI coding agents into running malware

An agentic coding tool tasked with cloning and setting up a seemingly benign GitHub repository could execute a malicious payload that remains invisible to security scanners, AI

REPORT · WHAT · BleepingComputerOPEN STORY
Sources
BleepingComputer

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