---
cve: "CVE-2026-65650"
severity: "MEDIUM"
cvss: 4.3
epss: "0.4%"
vendor: "Elgg"
kev: false
exploited: false
published: "2026-07-22 17:07:58"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T11:14:40+02:00"
---

# CVE-2026-65650

> 4.3 MEDIUM · 🧪 PoC

## Beschreibung

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload.

## CVSS-Vektor

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

| 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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Gering | warn |

## Patch verfügbar (OSV)

- 55cb0475b7bc7502e871b4c5c97ba6eeb6e002d6 (Commit)
- cfed1001e118905353278380bd83e036a640dc1f (Commit)

## Referenzen

- <https://github.com/Elgg/Elgg/compare/7.0.0-rc.1...7.0.0>
- <https://github.com/Elgg/Elgg/commit/ab91d59dc2caaa3fdbfe7e9b916fc0cc7e6b323a>
- <https://github.com/Elgg/Elgg/pull/15041>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-65650) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_