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Incorrect Behavior Order

CVE-2026-45033

Severity High
Score 8.5/10

Summary

A security vulnerability has been identified in GitHub Copilot CLI where a malicious bare git repository nested inside a project directory can achieve arbitrary code execution when the agent performs git operations. By exploiting git's automatic bare repository discovery during directory traversal, an attacker can set `core.fsmonitor` or other executable config keys to run arbitrary commands without user awareness or approval. This issue affects @github/copilot versions prior to 1.0.43.

  • LOW
  • LOCAL
  • NONE
  • LOW

CWE-696 - Incorrect Behavior Order

The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways which may produce resultant weaknesses.

References

Advisory Timeline

  • Published