CVE-2026-91966CWE-918ssrf

CVE-2026-91966

Medium · published September 15, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
33.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
EPSS
0.00400 · 33.1th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-09-15T20:17Z
References (2)
https://github.com/WWBN/AVideo/security/advisories/GHSA-rqg6-qcjv-55w5 · [email protected]https://www.vulncheck.com/advisories/avideo-through-29.0-unauthenticated-ssrf-via-host-header · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 15:18Z
    AVideo through 29.0 Unauthenticated SSRF via Host Header
    cvelistv5