5.4

CVE-2026-40740: themeum tutor lms Missing Authorization

CVSS: 5.4v3.1MediumDeferred
Published 15-04-2026Last modified 29-04-2026
Open JSON

Vulnerability summary

CVE-2026-40740 is a medium (CVSS 5.4) Missing Authorization vulnerability in themeum tutor lms. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20% of scored vulnerabilities. Fixed in 3.9.8.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-04-2026
    PublishedVulnerability first disclosed.
  2. 29-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.11 pp

From 0.18% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Themeum1 product
Wordpress1 product
  • tutor≤ 3.9.7 (fixed in 3.9.8)

2 vendors · 2 products

References

2 links