CVE-2026-54179 backpack/crud: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk

backpack/crud provides Create, Read, Update & Delete CRUD functions for Backpack, a collection of Laravel packages that help users build custom administration panels. From 6.0.0 until 6.8.14 and 7.0.37, the src/app/Library/Uploaders/SingleBase64Image.php methods SingleBase64Image::uploadFiles and...

Arbitrary File Upload

Overview backpack/crud is a package that helps you build an admin interface for your Eloquent models, using Laravel 5 Affected versions of this package are vulnerable to Arbitrary File Upload via the SingleBase64Image::uploadFiles — the uploader bound to image-typed fields via withFiles — only...

Laravel Backpack CRUD: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk

Summary SingleBase64Image::uploadFiles — the uploader bound to image-typed fields via withFiles — only verifies that the submitted value starts with the string data:image. The MIME subtype and the base64-decoded bytes are never inspected or validated. A related bug in FileNameGenerator causes the...

PT-2026-80749

Name of the Vulnerable Software and Affected Versions backpack/crud versions 6.0.0 through 6.8.13 backpack/crud versions 7.0.0 through 7.0.37 Description An authenticated administrator can store arbitrary file content on the configured disk. This occurs because the SingleBase64Image::uploadFiles...