---
cve: "CVE-2026-82643"
severity: "MEDIUM"
cvss: 6.9
epss: "5.8%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-08-30 15:16:44"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T06:40:49+02:00"
---

# CVE-2026-82643

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

WWBN AVideo contains an unauthenticated credential submission vulnerability in plugin/Live/api/preauthorize.json.php that accepts credentials over GET without rate limiting. Attackers can submit correct credentials repeatedly to trigger uncapped two-factor confirmation emails and perform sustained password guessing attacks against user accounts.

## CVSS-Vektor

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

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

## Referenzen

- <https://github.com/WWBN/AVideo/security/advisories/GHSA-gxxj-32wm-g48f>
- <https://www.vulncheck.com/advisories/wwbn-avideo-unauthenticated-rate-limit-bypass-via-preauthorize-json-php>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-82643) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_