What is CVE-2026-84476?

CVE-2026-84476 is a high-severity vulnerability in Wwbn Avideo, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2026-09-01.

How severe is CVE-2026-84476?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-84476

WWBN AVideo fails to validate trusted proxies before accepting X-Real-IP and X-Forwarded-For headers, allowing attackers to spoof the client address used by enforceRateLimit(). Attackers can rotate the header value per request to bypass login rate limiting and perform unlimited credential guessing attacks.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

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

Frequently asked questions

What is CVE-2026-84476?: CVE-2026-84476 is a high-severity vulnerability in Wwbn Avideo, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2026-09-01.
How severe is CVE-2026-84476?: High severity. CVSS v3 base score is 7.5 out of 10.