Link following in GitHub CLI - #VU152996
Published: September 30, 2026
Vulnerability identifier: #VU152996
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to write remote content to unintended local files.
The vulnerability exists due to improper link resolution before file access in GitHub CLI download and file-output commands when processing remote content with a destination containing symbolic links. A remote user can provide remote content to write it outside the intended destination.
User interaction is required to invoke an affected command in a vulnerable workspace on a compatible remote resource.
Affected software
GitHub CLI
Remediation
Install security update from vendor's website.
GitHub CLI - update to 2.102.0