CVE-2025-67848Network attack vector

Suspended-user authentication bypass via unchecked LTI status

Published Feb 3, 2026 · Updated Feb 3, 2026

Authentication bypass in Moodle LMS allows remote authenticated users with suspended accounts to sign in through the LTI Provider. The legacy enrol_lti tool provider and LTI 1.3 authentication handler continue the launch flow without checking the matched database user's suspended flag. A suspended account and an enabled LTI Provider path are required; successful access exposes information and actions available to that account.

CVSS severity8.1
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Moodle LMS allows remote authenticated users with suspended accounts to sign in through the LTI Provider. The legacy enrol_lti tool provider and LTI 1.3 authentication handler continue the launch flow without checking the matched database user's suspended flag. A suspended account and an enabled LTI Provider path are required; successful access exposes information and actions available to that account.

The record

CVE
CVE-2025-67848
Published
Feb 3, 2026
Updated
Feb 3, 2026
Vendor
Moodle
Product
Moodle LMS
Classifications
CWE-280, T1190
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=4.1.0 <4.1.22
  2. Affected versionversion=4.4.0 <4.4.12
  3. Affected versionversion=4.5.0 <4.5.8
  4. Affected versionversion=5.0.0 <5.0.4
  5. Affected versionversion=5.1.0 <5.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Moodle · Moodle LMSversion=4.1.0 <4.1.22; version=4.4.0 <4.4.12; version=4.5.0 <4.5.8; version=5.0.0 <5.0.4; version=5.1.0 <5.1.1

Published CVSS scores

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

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-280Improper Handling of Insufficient Permissions or Privileges
T1190Exploit Public-Facing Application

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

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Your stack

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