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The Security Reviewer Can Become the Entry Point

A proof of concept shows coding agents in autonomous modes executing attacker-controlled material while inspecting an untrusted repository.

Published Updated Story ID: mp-2026-07-10-006
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Summary

A proof of concept shows coding agents in autonomous modes executing attacker-controlled material while inspecting an untrusted repository.

AI Now researchers Boyan Milanov and Heidy Khlaaf demonstrated what they call Friendly Fire: prompt injections in a third-party codebase led Claude Code and Codex configurations with autonomous command approval enabled to run attacker-controlled code during a security review. The finding is configuration-specific, not evidence that every interactive review is compromised. Its practical lesson is broader: untrusted repositories should be isolated, and automatic execution should not be treated as a neutral extension of code reading.

Why it matters

A proof of concept shows coding agents in autonomous modes executing attacker-controlled material while inspecting an untrusted repository.

Limits and context

  • The finding is configuration-specific, not evidence that every interactive review is compromised.
  • Its practical lesson is broader: untrusted repositories should be isolated, and automatic execution should not be treated as a neutral extension of code reading.

Key claims

  1. A proof of concept shows coding agents in autonomous modes executing attacker-controlled material while inspecting an untrusted repository.

    Qualification: The finding is configuration-specific, not evidence that every interactive review is compromised.

    Evidence: source-2026-07-10-006

Sources

  1. The Hacker News: Friendly Fire proof of conceptthehackernews.com · secondary reporting

Corrections

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