Files or Directories Accessible to External Parties
CVE-2025-66389
Summary
GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without user approval) via a file-handler URI parameter to fetch_webpage. Therefore, exfiltration could occur if there is indirect prompt injection.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- NONE
- HIGH
- NONE
CWE-552 - Files or Directories Accessible to External Parties
The product makes files or directories accessible to unauthorized actors, even though they should not be.
References
Advisory Timeline
- Published
