CVE-2026-91966
MEDIUM
NVD
CVSS Score
5.8
Severity
MEDIUM
Published
Sep 15, 2026
Vendor
unknown
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.