---
cve: "CVE-2026-48958"
severity: "MEDIUM"
cvss: 6.4
epss: "26%"
vendor: "Joomla! Project"
kev: false
exploited: false
published: "2026-07-07 19:16:54"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T05:38:57+02:00"
---

# CVE-2026-48958

> 6.4 MEDIUM

## Beschreibung

An improper access check allows unauthorized users to create custom fields via webservices endpoints.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H
```

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

## Patch verfügbar (OSV)

- 09525fc6f24b0a461633f97b367aabae793a40ba (Commit)
- c623e73b17c749f4644cb5634f59ca683b69d17b (Commit)

## Referenzen

- <https://developer.joomla.org/security-centre/1066-20260712-core-incorrect-access-control-in-com-fields-webservice-endpoints.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48958) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_