---
cve: "CVE-2026-52784"
severity: "HIGH"
cvss: 8.8
epss: "16%"
vendor: "opf"
kev: false
exploited: false
published: "2026-06-26 20:17:18"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T01:58:01+02:00"
---

# CVE-2026-52784

> 8.8 HIGH · 🧪 PoC

## Beschreibung

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "user[admin]". This vulnerability is fixed in 17.3.3 and 17.4.1.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 5ee515c5c80c3aaf1e7527f63e4e69798aef1b29 (Commit)
- 8203fc2286fd48d7d72f52b3c4a2487f96fcea28 (Commit)

## Referenzen

- <https://github.com/opf/openproject/security/advisories/GHSA-6crw-7f5r-4qj9>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-52784) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_