CVE-2025-66389
GitHub Copilot
- Severity
- High
- Published
- June 22, 2026
- Last modified
- October 12, 2026
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.
CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
References
- blindcyber.comExploitThird Party Advisory
- github.com
- github.com
Listed in
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