{"id":"CVE-2026-35450","aliases":["EUVD-2026-19533","GHSA-2vg4-rrx4-qcpq"],"status":"published","title":"WWBN AVideo has Unauthenticated FFmpeg Remote Server Status Disclosure via check.ffmpeg.json.php","description":"WWBN AVideo is an open source video platform. In versions 26.0 and prior, the plugin/API/check.ffmpeg.json.php endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (kill.ffmpeg.json.php, list.ffmpeg.json.php, ffmpeg.php) require User::isAdmin().","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00384,"percentile":0.32842,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-04-04T06:16:49Z","modified":"2026-10-28T02:31:04Z","affected":[{"source":"ghsa","ecosystem":"Packagist","package":"wwbn/avideo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"26.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"wwbn/avideo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"26.0"}]}],"versions":["10.4","10.8","11","11.1","11.1.1","11.5","11.6","12.4","14.3","14.3.1","14.4","18.0","21.0","22.0","24.0","25.0","26.0"]}],"products":[{"vendor":"wwbn","product":"avideo"}],"references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-2vg4-rrx4-qcpq","tags":["x_refsource_CONFIRM","Exploit","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35450","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2vg4-rrx4-qcpq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35450.json","tags":["advisory"]},{"url":"https://github.com/WWBN/AVideo","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-35450","title":"WWBN AVideo has Unauthenticated FFmpeg Remote Server Status Disclosure via check.ffmpeg.json.php","description":"WWBN AVideo is an open source video platform. In versions 26.0 and prior, the plugin/API/check.ffmpeg.json.php endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (kill.ffmpeg.json.php, list.ffmpeg.json.php, ffmpeg.php) require User::isAdmin().","status":"published","published":"2026-04-06T21:46:54.779Z","modified":"2026-04-07T16:21:46.027Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:20:05.15083Z"}],"euvd":[{"id":"EUVD-2026-19533","description":"WWBN AVideo is an open source video platform. In versions 26.0 and prior, the plugin/API/check.ffmpeg.json.php endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (kill.ffmpeg.json.php, list.ffmpeg.json.php, ffmpeg.php) require User::isAdmin().","status":"published","published":"2026-04-06T21:46:54Z","modified":"2026-04-07T16:21:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:12.431163Z"}],"ghsa":[{"id":"GHSA-2vg4-rrx4-qcpq","title":"AVideo: Unauthenticated FFmpeg Remote Server Status Disclosure via check.ffmpeg.json.php","description":"## Summary\n\nThe `plugin/API/check.ffmpeg.json.php` endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (`kill.ffmpeg.json.php`, `list.ffmpeg.json.php`, `ffmpeg.php`) require `User::isAdmin()`.\n\n## Details\n\nThe entire file at `plugin/API/check.ffmpeg.json.php`:\n\n```php\n\u003c?php\n$configFile = __DIR__.'/../../videos/configuration.php';\nrequire_once $configFile;\nheader('Content-Type: application/json');\n\n$obj = testFFMPEGRemote();\n\ndie(json_encode($obj));\n```\n\nNo `User::isAdmin()`, `User::isLogged()`, or any access control check exists.\n\nCompare with sibling endpoints in the same directory:\n- `kill.ffmpeg.json.php` checks `User::isAdmin()`\n- `list.ffmpeg.json.php` checks `User::isAdmin()`\n\n## Proof of Concept\n\n```bash\ncurl \"https://your-avideo-instance.com/plugin/API/check.ffmpeg.json.php\"\n```\n\nReturns information about whether the platform uses a standalone FFmpeg server and its current reachability.\n\n## Impact\n\nInfrastructure reconnaissance revealing the encoding architecture. Limited direct impact but aids targeted attack planning.\n\n## Recommended Fix\n\nAdd an admin authentication check at `plugin/API/check.ffmpeg.json.php:3`, after `require_once $configFile;`:\n\n```php\nif (!User::isAdmin()) {\n    forbiddenPage('Admin only');\n}\n```\n\n---\n*Found by [aisafe.io](https://aisafe.io)*","status":"published","published":"2026-04-04T06:16:49Z","modified":"2026-04-07T14:20:51Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:39:50.076383Z"}],"nvd":[{"id":"CVE-2026-35450","description":"WWBN AVideo is an open source video platform. In versions 26.0 and prior, the plugin/API/check.ffmpeg.json.php endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (kill.ffmpeg.json.php, list.ffmpeg.json.php, ffmpeg.php) require User::isAdmin().","status":"published","published":"2026-04-06T22:16:23.463Z","modified":"2026-07-24T21:10:00.143Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:13.1424Z"}],"osv":[{"id":"CVE-2026-35450","title":"WWBN AVideo has Unauthenticated FFmpeg Remote Server Status Disclosure via check.ffmpeg.json.php","description":"WWBN AVideo is an open source video platform. In versions 26.0 and prior, the plugin/API/check.ffmpeg.json.php endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (kill.ffmpeg.json.php, list.ffmpeg.json.php, ffmpeg.php) require User::isAdmin().","status":"published","published":"2026-04-06T21:46:54.779Z","modified":"2026-10-28T02:31:04.220557055Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"GHSA-2vg4-rrx4-qcpq","title":"AVideo: Unauthenticated FFmpeg Remote Server Status Disclosure via check.ffmpeg.json.php","description":"## Summary\n\nThe `plugin/API/check.ffmpeg.json.php` endpoint probes the FFmpeg remote server configuration and returns connectivity status without any authentication. All sibling FFmpeg management endpoints (`kill.ffmpeg.json.php`, `list.ffmpeg.json.php`, `ffmpeg.php`) require `User::isAdmin()`.\n\n## Details\n\nThe entire file at `plugin/API/check.ffmpeg.json.php`:\n\n```php\n\u003c?php\n$configFile = __DIR__.'/../../videos/configuration.php';\nrequire_once $configFile;\nheader('Content-Type: application/json');\n\n$obj = testFFMPEGRemote();\n\ndie(json_encode($obj));\n```\n\nNo `User::isAdmin()`, `User::isLogged()`, or any access control check exists.\n\nCompare with sibling endpoints in the same directory:\n- `kill.ffmpeg.json.php` checks `User::isAdmin()`\n- `list.ffmpeg.json.php` checks `User::isAdmin()`\n\n## Proof of Concept\n\n```bash\ncurl \"https://your-avideo-instance.com/plugin/API/check.ffmpeg.json.php\"\n```\n\nReturns information about whether the platform uses a standalone FFmpeg server and its current reachability.\n\n## Impact\n\nInfrastructure reconnaissance revealing the encoding architecture. Limited direct impact but aids targeted attack planning.\n\n## Recommended Fix\n\nAdd an admin authentication check at `plugin/API/check.ffmpeg.json.php:3`, after `require_once $configFile;`:\n\n```php\nif (!User::isAdmin()) {\n    forbiddenPage('Admin only');\n}\n```\n\n---\n*Found by [aisafe.io](https://aisafe.io)*","status":"published","published":"2026-04-04T06:16:49Z","modified":"2026-04-07T14:37:56.613553Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}