What is CVE-2025-26367?

CVE-2025-26367 is a medium-severity vulnerability in Q-Free Maxtime, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-02-12.

How severe is CVE-2025-26367?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Q-Free Maxtime

CVE-2025-26367

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 create arbitrary user groups via crafted HTTP requests.

Vulnerability class: Broken Access Control

Published 2025-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Q-Free Maxtime — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26367 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-26367?: CVE-2025-26367 is a medium-severity vulnerability in Q-Free Maxtime, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-02-12.
How severe is CVE-2025-26367?: Medium severity. CVSS v3 base score is 4.3 out of 10.