CVE-2026-28737

Gitea 3D file viewer allows stored XSS through glTF extensionsRequired

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.

Affected

Gitea · Gitea Open Source Git Server

CVSS v3.1 CNA

8.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS

0.43% chance of exploitation in the next 30 days, 36th percentile

Published

2026-07-03

Updated

2026-07-07

Proof-of-concept exploits (1)

• advisories/GHSA-9cpj-qc93-vw8v

References

• CVE Record
• NVD entry