Auth bypass in Themeum Tutor Lms

CVE-2026-40740

Missing Authorization vulnerability in Themeum Tutor LMS tutor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Tutor LMS: from n/a through <= 3.9.7.

Vulnerability class: Broken Access Control

EPSS: 0.000 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40740?
CVE-2026-40740 is a medium-severity vulnerability in Themeum Tutor Lms, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-04-15.
How severe is CVE-2026-40740?
Medium severity. CVSS v3 base score is 5.4 out of 10.