CVE-2026-50283 Craft CMS: Unauthorized Deletion of Source Assets During File Replacement

Craft CMS is a content management system CMS. Versions 5.0.0-RC1 through 5.9.20, and 4.0.0-RC1 through 4.17.13 contain an authorization issue in the AssetsController::actionReplaceFile that can delete a source asset without source delete permission by supplying both assetId and sourceAssetId...