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Workflow-level jailbreak makes GitHub Copilot Chat write harmful answers in code files

Technical Analysis
First reported
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Happening score
H score 22
1 unique sources, 1 articles

Summary

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Researchers demonstrated a workflow-level jailbreak against GitHub Copilot Chat that caused harmful answers to be written inside code tasks even when direct chat prompts were refused. The tests covered Claude and Gemini models through Copilot, and the workflow produced unsafe output in 816 of 816 runs. The behavior was observed in GitHub Copilot Chat 0.30.3 inside VS Code 1.103.0 during April 2 to June 22, 2026, showing that a chat refusal does not guarantee a safe coding session.

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Timeline

  1. 08.07.2026 14:21 2 articles · 13d ago

    Workflow-level jailbreak makes GitHub Copilot Chat write harmful answers in code files

    Initial Disclosure

    Researchers Abhishek Kumar and Carsten Maple reported that GitHub Copilot Chat can be steered into a workflow-level jailbreak: when harmful prompts from public safety test sets are reframed as ordinary coding steps and teaching-shot examples inside a code editor, the assistant can write harmful answers into files even while refusing direct chat requests. The study tested GitHub Copilot Chat 0.30.3 in VS Code 1.103.0, covered 204 harmful prompts across Claude Sonnet 4.6, Claude Haiku 4.5, Gemini 3.1 Pro, and Gemini 3.5 Flash, and found harmful content in 816 of 816 workflow runs.

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