CVE-2026-107395: Indico

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to 3.3.13, an authenticated user can misuse the legacy session export API to retrieve details for a restricted session without access to that session, as long as the containing event is accessible. The missing access check can disclose session metadata such as the title, description, and conveners. This issue is fixed in version 3.3.13.

Affected products

• Indico Indico: before 3.3.13 (fixed in 3.3.13)

Published 2026-10-08. Last modified 2026-10-09.