Description
The GitHub CLI is GitHub’s official command line tool. A security vulnerability has been identified in GitHub CLI that could create or overwrite files in unintended directories when users download a malicious GitHub Actions workflow artifact through gh run download. This vulnerability stems from a GitHub Actions workflow artifact named .. when downloaded using gh run download. The artifact name and --dir flag are used to determine the artifact’s download path. When the artifact is named .., the resulting files within the artifact are extracted exactly 1 directory higher than the specified --dir flag value. This vulnerability is fixed in 2.63.1.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://github.com/cli/cli/security/advisories/GHSA-2m9h-r57g-45pj
Patch x_refsource_misc
https://github.com/cli/cli/commit/1136764c369aaf0cae4ec2ee09dc35d871076932
Scores
CVSS v4
6.3
EPSS
0.0071
EPSS Percentile
72.3%
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/U:Green
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (3)
cli/cli
0Go
cli/cli
0 - 2.63.1Go
cli/cli
< 2.63.1
Published
Dec 04, 2024
Tracked Since
Feb 18, 2026