What’s Vulnerable › Vulnerabilities

CVE-2026-91966: AVideo through 29.0 Unauthenticated SSRF via Host Header

• Severity: medium (CVSS 5.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-20
• Weakness: CWE-918

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.

Affected products

• WWBN AVideo: through 29.0

References

• https://github.com/WWBN/AVideo/security/advisories/GHSA-rqg6-qcjv-55w5
• https://www.vulncheck.com/advisories/avideo-through-29.0-unauthenticated-ssrf-via-host-header

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