---
cve: "CVE-2026-66915"
severity: "CRITICAL"
cvss: 10.0
epss: "0.6%"
vendor: "fabrikar.com"
kev: false
exploited: false
published: "2026-08-10 10:17:33"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-27T12:21:08+02:00"
---

# CVE-2026-66915

> 10.0 CRITICAL

## Beschreibung

Joomla Extension - fabrikar.com - Remote code execution in Fabrik < 4.7.2 - An unauthenticated attacker could execute arbitrary code by using the ajax_calc feature of the calc plugin.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **total**

## 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
```

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

## Referenzen

- <https://www.fabrikar.com/>
- <https://mysites.guru/blog/fabrik-unauthenticated-rce-calc-element/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-66915) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_