CVE-2026-84476CWE-290

CVE-2026-84476

High · published September 2, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00434 · 36.7th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-09-02T03:17Z
References (3)
https://github.com/WWBN/AVideo/security/advisories/GHSA-gg65-574p-h4wc · [email protected]https://www.vulncheck.com/advisories/wwbn-avideo-authentication-bypass-via-x-real-ip-header · [email protected]https://github.com/WWBN/AVideo/security/advisories/GHSA-gg65-574p-h4wc · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 22:25Z
    WWBN AVideo Authentication Bypass via X-Real-IP Header
    cvelistv5