Incorrect Behavior Order Affecting @github/copilot package, versions <1.0.43
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-GITHUBCOPILOT-16642141
- published12 May 2026
- disclosed11 May 2026
- creditUnknown
Introduced: 11 May 2026
NewCVE-2026-45033 (opens in a new tab)How to fix?
Upgrade @github/copilot to version 1.0.43 or higher.
Overview
@github/copilot is a GitHub Copilot CLI brings the power of Copilot coding agent directly to your terminal.
Affected versions of this package are vulnerable to Incorrect Behavior Order that enables code execution via the core.fsmonitor configuration key in a nested bare git repository. An attacker can execute commands by placing a malicious bare repository within a project directory and forcing or convincing a user to perform agent operations on the project, which automatically discovers and processes the bare repository during git operations such as status or diff.