VULNERABILITY INTELLIGENCE

CVE-2025-66389

CVSS score7.5 HIGH
EPSS probability1.18%
CISA KEVNot currently listed
Published2026-06-22
Last modified2026-10-12
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-552

Primary references