CVE-2026-21516

Microsoft · Published February 10, 2026

8.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

GitHub Copilot for Jetbrains Remote Code Execution Vulnerability. Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.

Affected Products

GitHub Copilot Plugin for JetBrains IDEs

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C