SB2026072883 - Incorrect behavior order in GitHub Copilot CLI

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Main Vulnerability Database SB2026072883

SB2026072883 - Incorrect behavior order in GitHub Copilot CLI

Published: July 28, 2026

Security Bulletin ID SB2026072883
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Incorrect behavior order (CVE-ID: CVE-2026-45033)

CWE-ID: CWE-696 - Incorrect Behavior Order

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


The vulnerability allows a remote attacker to execute arbitrary commands.

The vulnerability exists due to incorrect behavior order in git operations when processing a project directory containing a nested bare git repository with executable configuration keys. A remote attacker can place a malicious bare repository inside a project to execute arbitrary commands.

User interaction is required in that GitHub Copilot CLI must perform git operations in or near the malicious directory.


Remediation

Install update from vendor's website.

References