CVE-2026-91966

Medium

Description

AVideo through 29.0 contains an unauthenticated server-side request forgery vulnerability in the check_site_availability function that accepts attacker-controlled HTTP Host headers. Attackers can send requests to submitIndex.php or ajax.php with arbitrary Host headers to probe internal network hosts and ports, following redirects without authentication.

SeverityMedium
CVSS5.8
Exploit probability—
ProductAVideo
PublishedSep 15, 2026
First seenSep 15, 2026

How to fix

Affected products

ProductAffected versionsFixed in
WWBN AVideov ≤ 29.0—

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