Indico has a missing access check in the event series management API

Impact The API endpoint used to manage event series is missing an access check, allowing unauthenticated/unauthorized access to this endpoint. The impact of this is limited to: - Getting the metadata title, category chain, start/end date for events in an existing series - Deleting an existing eve...

PYSEC-2026-2183

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.11, the API endpoint used to manage event series is missing an access check, allowing unauthenticated/unauthorized access to this endpoint. The impact of this ...

CVE-2026-28352 Indico missing access check in event series management API

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.11, the API endpoint used to manage event series is missing an access check, allowing unauthenticated/unauthorized access to this endpoint. The impact of this ...

CVE-2026-28352

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.11, the API endpoint used to manage event series is missing an access check, allowing unauthenticated/unauthorized access to this endpoint. The impact of this ...

PT-2026-22401

Name of the Vulnerable Software and Affected Versions Indico versions prior to 3.3.11 Description Indico, an event management system utilizing Flask-Multipass, contains a flaw in the API endpoint responsible for managing event series. This endpoint lacks a necessary access check, potentially...