CVE-2026-53948: Unrestricted Upload of File with Dangerous Type

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

@backstage/plugin-techdocs-backend storage bucket Directory Traversal vulnerability

Impact When using the AWS S3 or GCS storage provider for TechDocs it is possible to access content in the entire storage bucket. This can leak contents of the bucket that are not intended to be accessible, as well as bypass permission checks in Backstage. Patches This has been fixed in the 1.10.1...