# CVE-2026-82643

## Summary

- **CVE ID:** CVE-2026-82643
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (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)
- **CWE:** CWE-307
- **Published:** Aug 30, 2026
- **Last Modified:** Sep 2, 2026

## Description

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.

## Affected Products

No affected products listed.

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._