{"id":"CVE-2026-110230","published":"2026-10-13T19:18:47.870","lastModified":"2026-10-13T20:17:27.987","description":"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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/sergix44/xbackbone","tags":[]},{"url":"https://github.com/sergix44/xbackbone/blob/226af4f0cec218f563da6d53ececfa4708e6f3e7/app/Controllers/MediaController.php#L204-L229","tags":[]},{"url":"https://github.com/sergix44/xbackbone/commit/5e91a2a9859d20e41ee2e2403cfbe673804f6221","tags":[]},{"url":"https://github.com/sergix44/xbackbone/pull/671","tags":[]},{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ByAj-Xoifl","tags":[]},{"url":"https://www.vulncheck.com/advisories/xbackbone-through-3.8.2-missing-authorization-via-upload-vanity-endpoint","tags":[]}],"exploitRefs":[{"url":"https://github.com/sergix44/xbackbone","tags":[]},{"url":"https://github.com/sergix44/xbackbone/blob/226af4f0cec218f563da6d53ececfa4708e6f3e7/app/Controllers/MediaController.php#L204-L229","tags":[]},{"url":"https://github.com/sergix44/xbackbone/commit/5e91a2a9859d20e41ee2e2403cfbe673804f6221","tags":[]},{"url":"https://github.com/sergix44/xbackbone/pull/671","tags":[]}],"hasPoc":true,"ai":null}