{"id":"CVE-2026-33478","aliases":["GHSA-687q-32c6-8x68"],"url":"https://o3.security/vulnerability/CVE-2026-33478","summary":"AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection","details":"WWBN AVideo is an open source video platform. In versions up to and including 26.0, multiple vulnerabilities in AVideo's CloneSite plugin chain together to allow a completely unauthenticated attacker to achieve remote code execution. The `clones.json.php` endpoint exposes clone secret keys without authentication, which can be used to trigger a full database dump via `cloneServer.json.php`. The dump contains admin password hashes stored as MD5, which are trivially crackable. With admin access, the attacker exploits an OS command injection in the rsync command construction in `cloneClient.json.php` to execute arbitrary system commands. Commit c85d076375fab095a14170df7ddb27058134d38c contains a patch.","published":"2026-03-23T14:01:19.611Z","modified":"2026-08-12T03:51:34.021698608Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.13266,"percentile":0.96071,"asOf":"2026-08-19"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"wwbn/avideo","fixedVersion":null}],"fix":{"url":"https://github.com/WWBN/AVideo/commit/c85d076375fab095a14170df7ddb27058134d38c","label":"WWBN/AVideo@c85d076"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33478.json"},{"type":"ADVISORY","url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-687q-32c6-8x68"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33478"},{"type":"FIX","url":"https://github.com/WWBN/AVideo/commit/c85d076375fab095a14170df7ddb27058134d38c"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:34.021698608Z"}}