CVE-2026-40743 Themeum CVE debrief

Who should care

Defenders responsible for environments using Tutor LMS plugin versions <= 3.9.7 should assess exposure and prioritize remediation.

Why it matters

CVE-2026-40743 is a MEDIUM-severity vulnerability in Tutor LMS plugin versions <= 3.9.7. Defenders should assess exposure and prioritize remediation.

• Verify exposure in environments using Tutor LMS plugin versions <= 3.9.7
• Prioritize patching or applying mitigations for affected versions
• Monitor for potential exploitation attempts

Technical summary

CVE-2026-40743 is a MEDIUM-severity vulnerability in Tutor LMS plugin versions <= 3.9.7, caused by unauthenticated broken access control. The vulnerability has a CVSS score of 6.5 and a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Defensive priority

Defenders should prioritize verifying exposure in their environments and applying patches or mitigations as available.

Recommended defensive actions

• Verify exposure in environments using Tutor LMS plugin versions <= 3.9.7
• Prioritize patching or applying mitigations for affected versions
• Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, additional information on affected versions and potential impact may require verification from official sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.