Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets

Summary AssetsController::actionDeleteFolder only requires the deleteAssets: permission for the target folder. It never enforces deletePeerAssets:, even though Assets::deleteFoldersByIds cascades deletion to every descendant folder and every asset inside, regardless of who uploaded them. A...

CVE-2026-50284

Craft CMS (versions 5.0.0-RC1–5.9.21 and 4.0.0-RC1–4.17.14) has a privilege check flaw in AssetsController::actionDeleteFolder: it only enforces deleteAssets: for the target folder and does not enforce deletePeerAssets:, allowing a low-privilege user with folder-management rights on a shared volu...

CVE-2026-50284 Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets

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: permission for the target folder. It never enforces deletePeerAssets:, even though Assets::deleteFoldersByIds...

CVE-2026-50284 Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets

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: permission for the target folder. It never enforces deletePeerAssets:, even though Assets::deleteFoldersByIds...