---
cve: "CVE-2026-39109"
severity: "CRITICAL"
cvss: 9.4
epss: "33%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-04-20 18:16:27"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T19:08:07+02:00"
---

# CVE-2026-39109

> 9.4 CRITICAL · 🧪 PoC

## Beschreibung

SQL Injection vulnerability in Apartment Visitors Management System Apartment Visitors Management System V1.1 within the username parameter of the login page (index.php). This allows an unauthenticated attacker to manipulate backend SQL queries during authentication and retrieve sensitive database contents.

## CVSS-Vektor

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

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

## Referenzen

- <https://phpgurukul.com/apartment-visitors-management-system-using-php-and-mysql/>
- <https://phpgurukul.com/?sdm_process_download=1&download_id=21524>
- <https://github.com/efekaanakkar/Apartment-Visitors-Management-System-CVEs/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-39109) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_