Input validation error in gogs - CVE-2024-39930
Published: December 23, 2024 / Updated: April 27, 2026
Vulnerability identifier: #VU128077
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-39930
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: gogs.io
Affected software:
gogs
gogs
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands and access and alter other users' code.
The vulnerability exists due to improper input validation in the built-in SSH server when processing the env command. A remote user can send a specially crafted command to execute arbitrary commands and access and alter other users' code.
Exploitation requires the built-in SSH server to be enabled and the user account to have at least one SSH key.
How to mitigate CVE-2024-39930
Install security update from vendor's website.