Cross-site scripting in gogs - CVE-2026-26195
Published: April 27, 2026
Vulnerability identifier: #VU128097
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-26195
CWE-ID: CWE-79
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 script in a user's browser.
The vulnerability exists due to cross-site scripting in branch and wiki views when rendering author and committer names in affected pages. A remote user can inject crafted commit metadata to execute arbitrary script in a user's browser.
Exploitation requires the ability to inject commit metadata such as an author or committer name.
How to mitigate CVE-2026-26195
Install security update from vendor's website.