What is CVE-2026-85571?

CVE-2026-85571 is a medium-severity vulnerability in Tutor Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-10.

How severe is CVE-2026-85571?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Tutor Lms

CVE-2026-85571

The Tutor LMS WordPress plugin before 4.1.1 does not verify that the posts named in its course content ordering requests belong to a course the requester manages, allowing users with instructor level access to reassign the parent of any post on the site, taking other instructors' course content into their own courses and making arbitrary published content unreachable.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-10 · last modified 2026-10-10.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Tutor Lms

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

wpscan.com/vulnerability/3c4ce27a-527a-416f-b1c8-d40ca5f65974/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-85571?: CVE-2026-85571 is a medium-severity vulnerability in Tutor Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-10.
How severe is CVE-2026-85571?: Medium severity. CVSS v3 base score is 6.5 out of 10.