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TI-2025-40829 Aliases CVE-2025-66389GHSA-7vc2-x95v-g6m9

GitHub Copilot 1.372.0 allows filesystem access outside of a workspace folder (without…

Priority MEDIUM 41CWE-552Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-552.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01176 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:github_copilot:1.372.0:*:*:*:*:visual_studio_code:*:*1.372.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:github_copilot:1.372.0:*:*:*:*:visual_studio_code:*:* Versions 1.372.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66389
  2. 2026-10-03 Alias added: GHSA-7vc2-x95v-g6m9

References

Exploit 1

Other 2

  • TI-2026-17370 GitHub Copilot for Jetbrains Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-40027 GitHub Copilot for Jetbrains Remote Code Execution Vulnerability CVSS 3.1HIGH 8.4
  • TI-2026-37246 GitHub Copilot Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences