Auth bypass in Q-Free Maxtime

CVE-2025-26371

A CWE-862 "Missing Authorization" in maxprofile/user-groups/routes.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an authenticated (low-privileged) attacker to add users to groups via crafted HTTP requests.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-26371: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-26371?
CVE-2025-26371 is a high-severity vulnerability in Q-Free Maxtime, classified under Missing Authorization. CVSS score: 8.8/10. Published 2025-02-12.
How severe is CVE-2025-26371?
High severity. CVSS v3 base score is 8.8 out of 10.