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8.7

WWBN AVideo allows unlimited login attempts

CVE-2026-82644 · published 4 days ago
Summary

The AVideo platform does not count login tries from users whose browser does not send a identifying name, so an attacker can keep trying passwords without being blocked. This makes it easier to guess passwords and gain unauthorized access. Update the software to the latest version or adjust the settings so all login attempts are tracked regardless of the User-Agent header.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
wwbn avideo All versions
Original advisory text
WWBN AVideo (current e01e41ecc and earlier) contains a brute-force rate limiting bypass in enforceRateLimit(), which protects login.json.php and 13 other endpoints. The function stores its attempt ...
WWBN AVideo (current e01e41ecc and earlier) contains a brute-force rate limiting bypass in enforceRateLimit(), which protects login.json.php and 13 other endpoints. The function stores its attempt counter via a cache layer (ObjectYPT::setCacheGlobal) that silently discards writes for any client identified as a bot by isBot(). Because isBot() treats a missing User-Agent header as a bot by default — and also matches common bot identifiers such as 'curl', 'bot', 'crawler', and 'spider' — the counter never increments for such clients, so the rate limit never fires. An unauthenticated attacker can therefore submit unlimited login attempts (e.g., by omitting the User-Agent header or using curl's default User-Agent), enabling unrestricted password-guessing attacks.
References
Severity
8.7 High
CVSS 3.1: 7.5 (MITRE)
Exploitation
EPSS <1%
Type
CWE-307Improper Restriction of Excessive Authentication Attempts
Timeline
Published30 Aug 2026
Updated2 Sep 2026
First seen30 Aug 2026
Sources
CVE-2026-82644 · NVD
CVE-2026-82644 · MITRE
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