CVE-2026-107395

medium

Description

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.

References

https://github.com/indico/indico/security/advisories/GHSA-6p4f-j8j6-463q

https://github.com/indico/indico/releases/tag/v3.3.13

https://github.com/indico/indico/commit/524e8e93eadcd8484905b1147020a35f5dce6038

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-95213

Details

Source: Mitre, NVD

Published: 2026-10-08

Updated: 2026-10-09

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00235