---
cve: "CVE-2026-56291"
severity: "CRITICAL"
cvss: 10.0
epss: "76.1%"
vendor: "balbooa.com"
kev: true
exploited: true
published: "2026-07-09 11:16:40"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T10:57:48+02:00"
---

# CVE-2026-56291

> 10.0 CRITICAL · ⚠️ CISA KEV (62 Tage) · 🔓 Exploited

## Beschreibung

Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1 - The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.balbooa.com/joomla-forms>
- <https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56291>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-56291) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_