CVE-2026-84476 WWBN AVideo Authentication Bypass via X-Real-IP Header
Attackers can bypass login rate limiting by spoofing IP headers, enabling unlimited credential guessing and potential account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84476?
CVE-2026-84476 is a high-severity authentication bypass vulnerability in WWBN AVideo, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-290
Which versions are affected by CVE-2026-84476?
How do I fix CVE-2026-84476?
No fix has been published for CVE-2026-84476 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-84476 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84476 exists.
Sources
Also known as GHSA-gg65-574p-h4wc, GHSA-mm87-mmw2-x2jf.