{"id":"CVE-2026-91966","aliases":["EUVD-2026-78642","GHSA-5ccr-67rq-v275","GHSA-rqg6-qcjv-55w5"],"status":"published","title":"AVideo through 29.0 Unauthenticated SSRF via Host Header","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.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.004,"percentile":0.34518,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-15T15:18:18Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"wwbn","product":"avideo"}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-rqg6-qcjv-55w5","tags":["vendor-advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/avideo-through-29.0-unauthenticated-ssrf-via-host-header","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91966","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5ccr-67rq-v275"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91966.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-91966","title":"AVideo through 29.0 Unauthenticated SSRF via Host Header","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.","status":"published","published":"2026-09-15T15:18:18.763Z","modified":"2026-09-20T00:35:29.357Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-78642","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.","status":"published","published":"2026-09-15T15:18:18Z","modified":"2026-09-20T00:35:29Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:28:06.225065Z"}],"ghsa":[{"id":"GHSA-5ccr-67rq-v275","title":"AVideo through 29.0 contains an unauthenticated server-side request forgery vulnerability in the...","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.","status":"published","published":"2026-09-15T18:32:29Z","modified":"2026-09-15T18:32:34Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:54.818367Z"}],"nvd":[{"id":"CVE-2026-91966","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.","status":"published","published":"2026-09-15T16:17:52.783Z","modified":"2026-09-20T01:16:34.36Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:47.668237Z"}],"osv":[{"id":"CVE-2026-91966","title":"AVideo through 29.0 Unauthenticated SSRF via Host Header","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.","status":"published","published":"2026-09-15T15:18:18.763Z","modified":"2026-10-28T02:31:10.145270079Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:20.269367Z"}]}}