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CVE-2025-67848

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

8.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.41%Up 0.4 points since Feb 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.1

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

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.

Record
CVE-2025-67848
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-280
Updated
2026-11-02
EUVDEUVD-2025-206738 8.1

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.

Record
EUVD-2025-206738
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-j5jv-w5cw-j9ff 8.1

Moodle authentication bypass vulnerability

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.

Record
GHSA-j5jv-w5cw-j9ff
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-280
Updated
2026-11-02
NVD 8.1

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.

Record
CVE-2025-67848
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-280
Updated
2026-11-02
OSV 8.1

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

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.

Record
CVE-2025-67848
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-280
Updated
2026-11-02
OSVGHSA-j5jv-w5cw-j9ff 8.1

Moodle authentication bypass vulnerability

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.

Record
GHSA-j5jv-w5cw-j9ff
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-280
Updated
2026-11-02
OSVUBUNTU-CVE-2025-67848 8.1

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.

Record
UBUNTU-CVE-2025-67848
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVBIT-moodle-2025-67848 No score

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

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.

Record
BIT-moodle-2025-67848
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moodle/moodle
Packagist
before 4.1.22
4.1.22
moodle/moodle
Packagist
4.4.0-beta up to 4.4.12
4.4.12
moodle/moodle
Packagist
4.5.0-beta up to 4.5.8
4.5.8
moodle/moodle
Packagist
5.0.0-beta up to 5.0.4
5.0.4
moodle/moodle
Packagist
5.1.0-beta up to 5.1.1
5.1.1
moodle
Bitnami
before 4.1.22, 4.4.0 up to 4.4.11, 4.5.0 up to 4.5.8, 5.0.0 up to 5.0.4, 5.1.0 up to 5.1.1
4.1.224.4.114.5.85.0.45.1.1
moodle/moodle
Packagist
before 4.1.22, plus listed versions
v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6
Show 45 moreShow less
v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1
4.1.22
moodle/moodle
Packagist
4.4.0-beta up to 4.4.12, plus listed versions
v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1
Show 10 moreShow less
v4.4.10v4.4.11v4.4.2v4.4.3v4.4.4v4.4.5v4.4.6v4.4.7v4.4.8v4.4.9
4.4.12
moodle/moodle
Packagist
4.5.0-beta up to 4.5.8, plus listed versions
v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1
Show 6 moreShow less
v4.5.2v4.5.3v4.5.4v4.5.5v4.5.6v4.5.7
4.5.8
moodle/moodle
Packagist
5.0.0-beta up to 5.0.4, plus listed versions
v5.0.0v5.0.0-betav5.0.0-rc1v5.0.0-rc2v5.0.0-rc3v5.0.1v5.0.2v5.0.3
5.0.4
moodle/moodle
Packagist
5.1.0-beta up to 5.1.1, plus listed versions
v5.1.0v5.1.0-betav5.1.0-rc1v5.1.0-rc2
5.1.1
moodle
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1
None known
moodle
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-67848 is a high vulnerability (CVSS 8.1) in Moodle, published February 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in moodle/moodle 4.1.22.

References

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Left out here: 304 versions. The JSON record has them.

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