CVE-2026-21516
Command Injection in GitHub Copilot Enables Remote Code Execution
Publication date: 2026-02-10
Last updated on: 2026-02-11
Assigner: Microsoft Corporation
Description
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.
CVSS Scores
EPSS Scores
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Affected Vendors & Products
| Vendor | Product | Version |
|---|---|---|
| microsoft | github_copilot | to 1.5.63-243 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-77 | The product 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a command injection flaw in Github Copilot caused by improper neutralization of special elements used in commands. It allows an unauthorized attacker to execute arbitrary code remotely over a network.
How can this vulnerability impact me? :
The vulnerability can have severe impacts including unauthorized remote code execution, which may lead to full compromise of the affected system. This can result in loss of confidentiality, integrity, and availability of data and services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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0/70
EPSS Chart
Meta Information
CVE Publication Date:
2026-02-10
CVE Last Modified Date:
2026-02-11
Report Generation Date:
2026-02-11
AI Powered Q&A Generation:
2026-02-10
EPSS Last Evaluated Date:
N/A
NVD Report Link: