Improper Neutralization of Argument Delimiters in a Command in gogs - CVE-2026-26194

 

Improper Neutralization of Argument Delimiters in a Command in gogs - CVE-2026-26194

Published: April 27, 2026


Vulnerability identifier: #VU128098
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-26194
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: gogs.io
Affected software:
gogs

Detailed vulnerability description

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper neutralization of argument delimiters in internal/database/release.go when deleting a release with a user-controlled tag name. A remote user can create a tag name beginning with a dash and trigger release deletion to cause a denial of service.

Exploitation requires the ability to introduce a tag name that starts with a dash into the repository and then invoke release deletion through the web UI or API.


How to mitigate CVE-2026-26194

Install security update from vendor's website.

Sources