CVE-2026-28737

Gitea 3D file viewer allows stored XSS through glTF extensionsRequired

Published Jul 3, 2026 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9cpj-qc93-vw8v Gitea: Stored XSS via glTF `extensionsRequired` in Gitea 3D File Viewer
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gitea
Gitea gitea Open Source Git Server
Vendors & Products Gitea
Gitea gitea Open Source Git Server
Type Values Removed Values Added
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.
Title Gitea 3D file viewer allows stored XSS through glTF extensionsRequired
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Gitea
Published
Updated
Jul 7, 2026, 4:58 PM
Reserved
Mar 3, 2026, 3:25 AM
Status
Deferred
Published
Jul 3, 2026, 9:16 PM
Modified
Oct 25, 2026, 3:10 PM