CVE-2026-84476
CVSS v3
7.5
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-09-01
- Last Modified
- 2026-09-02
Frequently asked questions
What is 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.
Is CVE-2026-84476 actively exploited?
Active exploitation of CVE-2026-84476 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-84476?
CVE-2026-84476 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2026-84476 affecting your environment?
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