CVE-2024-25635: IDOR Vulnerability: Allowing Organization Owner to view the other Organizations API KEY and USERS

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-02-19 · updated 2026-06-17
Weakness: CWE-612

Description

alf.io is an open source ticket reservation system. Prior to version 2.0-Mr-2402, organization owners can view the generated API KEY and USERS of other organization owners using the `http://192.168.26.128:8080/admin/api/users/<user_id>` endpoint, which exposes the details of the provided user ID. This may also expose the API KEY in the username of the user. Version 2.0-M4-2402 fixes this issue.

Affected products

alfio-event alf.io: before 2.0-m4-2402 — fixed in 2.0-m4-2402

How to fix

Upgrade to a fixed version: alfio-event alf.io 2.0-m4-2402. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2024-25635 or the next vulnerability affects your stack