Vulnerability · Published Aug 30, 2026 · Assigned by VulnCheck
CVE-2026-82643WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php
Medium 6.5
In plain English
A medium-severity security flaw in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- GitHub Security Advisory (GHSA-gxxj-32wm-g48f) vendor-advisory
- VulnCheck Advisory: WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php third-party-advisory