8.1
HIGH CVSS 3.1
CVE-2025-67848
Moodle: moodle: authentication bypass via lti provider allows suspended users to gain unauthorized access.
Description

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability (LTI) Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access to the system. This can lead to information disclosure or other unauthorized actions by users who should be restricted.

INFO

Published Date :

Feb. 3, 2026, 11:15 a.m.

Last Modified :

Feb. 3, 2026, 11:15 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-67848 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5
CVSS 3.1 HIGH [email protected]
Solution
Update Moodle to fix an authentication bypass vulnerability in the LTI Provider.
  • Update Moodle to the latest version.
  • Verify LTI authentication handlers enforce suspension status.
  • Review access logs for unauthorized access.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-67848.

URL Resource
https://access.redhat.com/security/cve/CVE-2025-67848
https://bugzilla.redhat.com/show_bug.cgi?id=2423831
https://moodle.org/mod/forum/discuss.php?d=471298
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-67848 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-67848 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-67848 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-67848 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Feb. 03, 2026

    Action Type Old Value New Value
    Added Description A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability (LTI) Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access to the system. This can lead to information disclosure or other unauthorized actions by users who should be restricted.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-280
    Added Reference https://access.redhat.com/security/cve/CVE-2025-67848
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2423831
    Added Reference https://moodle.org/mod/forum/discuss.php?d=471298
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact