What is CVE-2026-82643?

CVE-2026-82643 is a medium-severity vulnerability in Wwbn Avideo, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-08-30.

How severe is CVE-2026-82643?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Wwbn Avideo

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.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-82643?: CVE-2026-82643 is a medium-severity vulnerability in Wwbn Avideo, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.5/10. Published 2026-08-30.
How severe is CVE-2026-82643?: Medium severity. CVSS v3 base score is 6.5 out of 10.