CVE-2026-62132 masteriyo CVE debrief

Who should care

Defenders responsible for LMS installations, particularly those using Masteriyo LMS version 3.4.0 or earlier, should assess exposure to this vulnerability and prioritize remediation.

Why it matters

Defenders should prioritize verifying the presence of this vulnerability in their LMS installations, assess exposure, and remediate as necessary due to the MEDIUM severity and potential impact on subscriber access controls.

• Verification of LMS installations for vulnerable versions is necessary.
• Defenders must assess exposure to this Broken Access Control vulnerability.
• Remediation priority should be assigned based on the MEDIUM severity and potential impact on subscriber access controls.

Technical summary

The CVE record describes a Subscriber Broken Access Control vulnerability in Masteriyo LMS version 3.4.0 and earlier. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. The NVD entry is currently listed as Deferred.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their LMS installations and assess exposure.

Recommended defensive actions

• Verify the presence of Masteriyo LMS version 3.4.0 or earlier in your environment.
• Assess exposure to this vulnerability and prioritize remediation.
• Review access controls and subscriber permissions in your LMS installation.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the NVD entry currently listed as Deferred.

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.