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Remote Code Execution Vulnerability in GitHub Copilot for JetBrains 

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

GitHub Copilot Plugin for JetBrains IDEs

Overview

A vulnerability has been reported in the GitHub Copilot extension for JetBrains IDEs, which may allow a local attacker to execute arbitrary code on the targeted vulnerable system.

Target Audience:

All developer organizations, software teams, and individuals using JetBrains IDEs with the GitHub Copilot plugin installed.

Risk Assessment:

High risk of arbitrary code execution and compromise of the development environment.

Impact Assessment:

Potential for complete compromise of the developer¿s workstation, unauthorized code changes, credential theft, and spread to connected repositories or build systems.

Description

The vulnerability exists due to improper neutralisation of special characters used in command execution within the GitHub Copilot plugin for JetBrains.

An attacker could exploit this vulnerability by introducing malicious input¿such as crafted file content, project artifacts, or injected text¿that the plugin processes without adequate sanitization.

Successful exploitation could allow arbitrary command execution in the context of the logged-in user, enabling further system compromise.

Solution

Apply appropriate updates as mentioned as mentioned by the Vendor:

https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-64671

Vendor Information

Microsoft

https://msrc.microsoft.com/update-guide/

References

 

https://www.cve.org/CVERecord?id=CVE-2025-64671

CVE Name

CVE-2025-64671

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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