CVE-2026-82643

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.

  • Published Aug 30, 2026
  • CVSS 6.9 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-82643 at the National Vulnerability Database