CVE-2025-67848

HIGH 8.1

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

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-280
Published	Feb 3, 2026
Last Updated	Feb 26, 2026

Stay Ahead of the Next One

Get instant alerts for

Be the first to know when new high vulnerabilities are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Red Hat would like to thank Attilio Ferrari for reporting this issue.