CVE-2025-66389 (GCVE-0-2025-66389)

Vulnerability from cvelistv5 – Published: 2026-06-22 00:00 – Updated: 2026-06-22 16:02
VLAI
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 16:01 UTC
CWE
  • n/a
  • CWE-552 - Files or Directories Accessible to External Parties
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2334 records in the last 180 days details
References
Show details on NVD website
To clipboard 

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