Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints SummaryMultiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

pretix has Broken Access Control Allowing Cross-User File Access via UUID

An API endpoint allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only...

CVE-2026-28682

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, the upload status SSE implementation on /uploadStatus publishes global upload state to any authenticated listener and includes fileid values that are not scoped to the requesting...

GHSA-R2H2-G46H-8MX8 pretix has Broken Access Control Allowing Cross-User File Access via UUID

Multiple API endpoints allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only...