CVE-2026-84476

WWBN AVideo Authentication Bypass via X-Real-IP Header

Published Sep 1, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WWBN AVideo Authentication Bypass via X-Real-IP Header
First Time appeared Wwbn
Wwbn avideo
Weaknesses CWE-290
CPEs cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*
Vendors & Products Wwbn
Wwbn avideo
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 2, 2026, 1:07 PM
Reserved
Sep 1, 2026, 8:37 PM
Status
Deferred
Published
Sep 1, 2026, 11:17 PM
Modified
Sep 8, 2026, 8:18 PM