CVE-2026-21518
Analyzed Analyzed - Analysis Complete
Command Injection in GitHub Copilot and VS Code Enables Bypass

Publication date: 2026-02-10

Last updated on: 2026-02-23

Assigner: Microsoft Corporation

Description
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-23
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21518
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft visual_studio_code to 1.109.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

[{'type': 'paragraph', 'content': "This vulnerability is an improper neutralization of special elements used in a command, also known as 'command injection', found in GitHub Copilot and Visual Studio Code."}, {'type': 'paragraph', 'content': 'It allows an unauthorized attacker to bypass a security feature over a network by exploiting this flaw.'}] [1]

Impact Analysis

The vulnerability can allow an unauthorized attacker to bypass security features remotely, which may lead to unauthorized actions or compromise of the affected software.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

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