CVE-2026-28737 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Gitea	Gitea Open Source Git Server

No data.

No data.

References

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

History

Tue, 07 Jul 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 06 Jul 2026 23:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gitea Gitea gitea Open Source Git Server
Vendors & Products		Gitea Gitea gitea Open Source Git Server

Fri, 03 Jul 2026 20:45:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: Gitea

Published: 2026-07-03T20:19:39.358Z

Updated: 2026-07-07T16:58:33.235Z

Reserved: 2026-03-03T03:25:50.217Z

Link: CVE-2026-28737

Vulnrichment

Updated: 2026-07-07T13:48:13.635Z

NVD

No data.

Redhat

No data.

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