{"id":"CVE-2026-50284","aliases":["GHSA-7h62-6v23-v8fm"],"url":"https://o3.security/vulnerability/CVE-2026-50284","summary":"Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets","details":"Craft CMS is a content management system (CMS). In versions 5.0.0-RC1 through 5.9.21 and 4.0.0-RC1 through 4.17.14, theAssetsController::actionDeleteFolder() only requires the deleteAssets:<volume-uid> permission for the target folder. It never enforces deletePeerAssets:<volume-uid>, even though Assets::deleteFoldersByIds() cascades deletion to every descendant folder and every asset inside, regardless of the uploader's assigned privileges. A low-privilege user who has been granted folder-management rights on a shared volume can therefore destroy assets uploaded by other users (peer assets), bypassing the per-asset peer-permission check that the sibling actionDeleteAsset endpoint correctly applies. This issue has been fixed in versions 4.17.15 and 5.9.22.","published":"2026-07-01T22:37:30.334Z","modified":"2026-08-12T03:51:19.205393930Z","cvss":null,"epss":{"score":0.00249,"percentile":0.16539,"asOf":"2026-08-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"craftcms/cms","fixedVersion":"5.9.22"},{"ecosystem":"Packagist","name":"craftcms/cms","fixedVersion":"4.17.15"}],"fix":{"url":"https://github.com/craftcms/cms/commit/b4e08977f0c9bdf002a77f9f6d1346cd55ac0598","label":"craftcms/cms@b4e0897"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50284.json"},{"type":"ADVISORY","url":"https://github.com/craftcms/cms/security/advisories/GHSA-7h62-6v23-v8fm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50284"},{"type":"FIX","url":"https://github.com/craftcms/cms/commit/b4e08977f0c9bdf002a77f9f6d1346cd55ac0598"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:19.205393930Z"}}