How severe is CVE-2026-40740?

CVE-2026-40740 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-40740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40740 have an EU (EUVD) identifier?

Yes. CVE-2026-40740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22893.

When was CVE-2026-40740 published?

CVE-2026-40740 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-40740

CVE-2026-40740 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22893
Weakness: CWE-862
Published: 2026-04-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-40740?: CVE-2026-40740 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-40740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40740 have an EU (EUVD) identifier?: Yes. CVE-2026-40740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22893.
When was CVE-2026-40740 published?: CVE-2026-40740 was published on 2026-04-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/tutor/vulnerability/wordpress-tutor-lms-plugin-3-9-7-broken-access-control-vulnerability?_s_id=cve

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