CVE-2026-1375Network attack vector

Authenticated course alteration and deletion via unchecked ownership

Published Feb 3, 2026 · Updated Feb 3, 2026

IDOR in Themeum Tutor LMS 3.9.5 and earlier allows remote authenticated users to modify or delete courses they do not own. The course_list_bulk_action(), bulk_delete_course(), and update_course_status() handlers accept attacker-selected course IDs without verifying course ownership. Tutor Instructor-level access is required, and successful requests can alter course status or permanently remove another instructor's course.

CVSS severity8.1
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

IDOR in Themeum Tutor LMS 3.9.5 and earlier allows remote authenticated users to modify or delete courses they do not own. The course_list_bulk_action(), bulk_delete_course(), and update_course_status() handlers accept attacker-selected course IDs without verifying course ownership. Tutor Instructor-level access is required, and successful requests can alter course status or permanently remove another instructor's course.

The record

CVE
CVE-2026-1375
Published
Feb 3, 2026
Updated
Feb 3, 2026
Vendor
Themeum
Product
Tutor LMS
Classifications
CWE-639, T1485, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=3.9.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Themeum · Tutor LMSversion=* <=3.9.5

Published CVSS scores

8.1WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1485Data Destruction
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo