Feb 2026: GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2026-21516 Published on February 10, 2026
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.
Weakness Type
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2026-21516 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2026-21516
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Affected Versions
Microsoft GitHub Copilot Plugin for JetBrains IDEs:- Version 1.0.0 and below 1.5.63 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.