Vulnerability advisory

CVE-2026-28737

Gitea 3D file viewer allows stored XSS through glTF extensionsRequired

Published Jul 3, 2026Updated Oct 28, 2026OSV record ↗

Also known as GHSA-9cpj-qc93-vw8vGO-2026-5286

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected versions

Repository

Affected commits	Fixed by commit
GIT github.com/go-gitea/gitea ↗
44d7d2973afc942df120f081a138eddcd9f81511 to before f09bea7af13bd00d07a34252468389d15de39a8d	`f09bea7af13bd00d07a34252468389d15de39a8d`
Also listed as affected (1) `v1.25.0-dev`

Description

Gitea versions from 1.25.0 before 1.26.0 allow stored cross-site scripting through the extensionsRequired field in glTF files rendered by the 3D file viewer.

References

Advisoryblog.gitea.com/release-of-1.26.0/ ↗
Advisorygithub.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28737.json ↗
Advisorygithub.com/go-gitea/gitea/releases/tag/v1.26.0 ↗
Advisorygithub.com/go-gitea/gitea/security/advisories/GHSA-9cpj-qc93-vw8v ↗
Advisorynvd.nist.gov/vuln/detail/CVE-2026-28737 ↗
Fixgithub.com/go-gitea/gitea/pull/37233 ↗