Vulnerability · Published Sep 10, 2025 · Assigned by GitHub_M
CVE-2025-59034Indico may disclose unauthorized user details access via legacy API
Medium 4.3
In plain English
A medium-severity authorization bypass via user-controlled key in indico from indico. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, a legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, it is possible to restrict access to the affected API (e.g. in the webserver config).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | indico | 3.3.8 | GHSA-4269-mcfh-cp7q |
| PyPI | indico | 3.3.8 | PYSEC-2026-1460 |
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/indico/indico/security/advisories/GHSA-4269-mcfh-cp7q x_refsource_CONFIRM
- https://github.com/indico/indico/releases/tag/v3.3.8 x_refsource_MISC