EUVD-2026-332254

fkie_cve-2026-50284

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.

GHSA-7h62-6v23-v8fm — Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' asse…

Affected: Packagist: craftcms/cms

## Summary

`AssetsController::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 who uploaded them. 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 is the same bug class that was just fixed in `actionMoveFolder` as **GHSA-3w32-23wj-rxg3** (commit `05c2042`, Apr 23 2026); the fix added `requireVolumePermissionByFolder('deletePeerAssets', …)` and `savePeerAssets` checks to the move endpoint but did not propagate to the delete-folder endpoint.

## Details

`src/controllers/AssetsController.php:552-569`:

```php public function actionDeleteFolder(): Response { $this->requireAcceptsJson(); $folderId = $this->request->getRequiredBodyParam('folderId');

$assets = Craft::$app->getAssets(); $folder = $assets->getFolderById($folderId);

if (!$folder) { throw new BadRequestHttpException('The folder cannot be found'); }

// Check if it's possible to delete objects in the target volume. $this->requireVolumePermissionByFolder('deleteAssets', $folder); // <-- only checks deleteAssets $assets->deleteFold…

Most recent entries from all

EUVD-2026-332254

fkie_cve-2026-50284

GHSA-7h62-6v23-v8fm — Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' asse…