CVE-2026-21516

GitHub Copilot for Jetbrains Remote Code Execution Vulnerability

State
Published
Severity
8.8 High
Published
Feb 10, 2026
Updated
Aug 19, 2026
Reserved
Dec 30, 2025

Read the record on cve.org

Description

Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.

Scores

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

Weaknesses

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

Affected Products

ProductVersions
GitHub Copilot Plugin for JetBrains IDEsMicrosoft
  • 1.0.0 to before 1.5.63Affected

References

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