CVE-2025-67848

Moodle: moodle: authentication bypass via lti provider allows suspended users to gain unauthorized access.

State: Published
Severity: 8.1 High
Published: Feb 3, 2026
Updated: Feb 26, 2026
Reserved: Dec 12, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	fedora

Weaknesses

CWE-280 Improper Handling of Insufficient Permissions or Privileges

Affected Products

Product	Versions
moodle	4.1.0 to before 4.1.22Affected 4.4.0 to before 4.4.12Affected 4.5.0 to before 4.5.8Affected 5.0.0 to before 5.0.4Affected 5.1.0 to before 5.1.1Affected

References

https://access.redhat.com/security/cve/CVE-2025-67848vdb-entry
RHBZ#2423831issue-tracking
https://moodle.org/mod/forum/discuss.php?d=471298

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