Vulnerability · Published Sep 1, 2026 · Assigned by VulnCheck
CVE-2026-84476WWBN AVideo Authentication Bypass via X-Real-IP Header
High 7.5
In plain English
A high-severity authentication bypass by spoofing in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 62.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-gg65-574p-h4wc) vendor-advisory
- VulnCheck Advisory: WWBN AVideo Authentication Bypass via X-Real-IP Header third-party-advisory