What is CVE-2026-86723?

CVE-2026-86723 is a high-severity vulnerability in Wwbn Avideo, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-09-08.

How severe is CVE-2026-86723?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Wwbn Avideo

CVE-2026-86723

AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability in LoginControl::verifyChallenge() that uses loose comparison (==) instead of strict comparison (===) against unset session values. Attackers with only a password can submit an empty request to verifyChallenge.json.php to bypass PGP two-factor authentication and gain full authenticated access.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2026-86723?: CVE-2026-86723 is a high-severity vulnerability in Wwbn Avideo, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-09-08.
How severe is CVE-2026-86723?: High severity. CVSS v3 base score is 8.1 out of 10.