---
cve: "CVE-2026-28737"
severity: "HIGH"
cvss: 8.7
epss: "34%"
vendor: "Gitea"
kev: false
exploited: false
published: "2026-07-03 21:16:59"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T13:06:18+02:00"
---

# CVE-2026-28737

> 8.7 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- f09bea7af13bd00d07a34252468389d15de39a8d (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-28737) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_