SB2025111158 - Path traversal in Microsoft Visual Studio Code CoPilot Chat Extension



SB2025111158 - Path traversal in Microsoft Visual Studio Code CoPilot Chat Extension

Published: November 11, 2025

Security Bulletin ID SB2025111158
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2025-62449)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Microsoft Visual Studio Code CoPilot Chat Extension. A local user can send a specially crafted HTTP request and read or modify arbitrary files on the system.


Remediation

Install update from vendor's website.