CVE-2026-83953

MEDIUM CVSS 3.1: 5.5 EPSS 0.83%
Updated Nov 11, 2026
GitHub
Parameter Value
CVSS 5.5 (MEDIUM)
Type CWE-77 (Command Injection)
Vendor GitHub
Public PoC No

Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an authorized attacker to disclose information locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)