{"id":"CVE-2026-110230","summary":"XBackBone through 3.8.2 Missing Authorization via Upload Vanity Endpoint","details":"XBackBone through 3.8.2 contains a missing authorization vulnerability that allows authenticated users to change other users' upload share codes via the POST /upload/{id}/vanity route. Attackers can supply sequential upload ids to MediaController::createVanity() to break existing share links and hijack the freed codes with their own uploads.","modified":"2026-10-15T02:47:30.554514592Z","published":"2026-10-13T18:50:13.474Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110230.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110230.json"},{"type":"ADVISORY","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ByAj-Xoifl"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110230"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/xbackbone-through-3.8.2-missing-authorization-via-upload-vanity-endpoint"},{"type":"FIX","url":"https://github.com/sergix44/xbackbone/commit/5e91a2a9859d20e41ee2e2403cfbe673804f6221"},{"type":"FIX","url":"https://github.com/sergix44/xbackbone/pull/671"},{"type":"PACKAGE","url":"https://github.com/sergix44/xbackbone"},{"type":"ARTICLE","url":"https://github.com/sergix44/xbackbone/blob/226af4f0cec218f563da6d53ececfa4708e6f3e7/app/Controllers/MediaController.php#L204-L229"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sergix44/xbackbone","events":[{"introduced":"0"},{"fixed":"226af4f0cec218f563da6d53ececfa4708e6f3e7"},{"fixed":"5e91a2a9859d20e41ee2e2403cfbe673804f6221"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"3.8.2"}]}}],"versions":["3.8.1","3.8.0","3.7.0","3.6.3","3.6.2","3.6.1","3.6.0","3.5.1","3.5.0","3.4.1","3.4.0","3.3.5","3.3.4","3.3.3","3.3.2","3.3.1","3.3.0","3.1.4","3.1.3","3.1.2","3.1.1","3.1","3.1.RC6","3.1.RC5","3.1.RC4","3.1.RC3","3.1.RC2","3.1.RC1","2.6.6","3.0.2","3.0.1","3.0","3.0.RC4","3.0.RC3","3.0.RC2","3.0.RC1","2.6.5","2.6.4","2.6.3","2.6.2","2.6.1","2.6","2.5.3","2.5.2","2.5.1","2.5","2.4.1","2.4","2.3.1","2.3","2.2","2.1","2.0","1.3","1.2","1.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110230.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}]}