CVE-2026-28737

HIGH 8.7

Gitea 3D file viewer allows stored XSS through glTF extensionsRequired

CVSS Score

8.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	gitea
Product	gitea open source git server
Published	Jul 3, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Gitea / Gitea Open Source Git Server

1.25.0 < 1.26.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/go-gitea/gitea/security/advisories/GHSA-9cpj-qc93-vw8v github.com: https://github.com/go-gitea/gitea/pull/37233 github.com: https://github.com/go-gitea/gitea/releases/tag/v1.26.0 blog.gitea.com: https://blog.gitea.com/release-of-1.26.0/

Credits

🔍 yonatan-pl