CVE-2025-67848: Moodle/moodle Authentication Bypass Vulnerability
HIGHCVE-2025-67848 is a HIGH (CVSS 8.1) authentication bypass vulnerability (CWE-280: Improper Handling of Insufficient Permissions or Privileges) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle authentication bypass vulnerability. Remediation is available by upgrading affected packages to version 4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1.
CVE-2025-67848 at a Glance
Security Impact
CVSS: 8.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
How to Fix CVE-2025-67848
To remediate this vulnerability, upgrade all affected Moodle/moodle dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade moodle/moodle to 4.1.22Upgrade moodle/moodle to 4.4.12Upgrade moodle/moodle to 4.5.8Upgrade moodle/moodle to 5.0.4Upgrade moodle/moodle to 5.1.1Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for moodle/moodleHow to Check if You Are Affected
To determine whether your application is affected by CVE-2025-67848, inspect your project dependencies for Moodle/moodle:
inspect dependencies for moodle/moodleAnalyze the terminal output to locate any version of Moodle/moodle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.1.22), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-280: Improper Handling of Insufficient Permissions or Privileges, where the product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. this may cause it to follow unexpected code paths that may leave the product in an invalid state. In Moodle/moodle, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2025-67848 Affected Moodle/moodle Versions
5 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
< 4.1.22
|
4.1.22
|
|
moodle/moodle
|
Packagist |
≥ 4.4.0-beta
< 4.4.12
|
4.4.12
|
|
moodle/moodle
|
Packagist |
≥ 4.5.0-beta
< 4.5.8
|
4.5.8
|
|
moodle/moodle
|
Packagist |
≥ 5.0.0-beta
< 5.0.4
|
5.0.4
|
|
moodle/moodle
|
Packagist |
≥ 5.1.0-beta
< 5.1.1
|
5.1.1
|
References
Frequently Asked Questions
What is CVE-2025-67848?
Which Moodle/moodle versions are affected?
What version fixes CVE-2025-67848?
Is moodle/moodle affected?
What is the CVSS score of CVE-2025-67848?
What CWE is associated with CVE-2025-67848?
How can I check Packagist dependencies for CVE-2025-67848?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-j5jv-w5cw-j9ff",
"modified" : "2026-02-03T19:16:26Z",
"published" : "2026-02-03T12:30:28Z",
"aliases" : [ "CVE-2025-67848" ],
"summary" : "Moodle authentication bypass vulnerability",
"details" : "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.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "4.1.22"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.4.0-beta"
}, {
"fixed" : "4.4.12"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.5.0-beta"
}, {
"fixed" : "4.5.8"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "5.0.0-beta"
}, {
"fixed" : "5.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "5.1.0-beta"
}, {
"fixed" : "5.1.1"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-67848"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/62f372e9d861d16df702d3c7726905fa2730e3d8"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/c2705e2c18962fec4f21b9c34ed386be2a379663"
}, {
"type" : "WEB",
"url" : "https://access.redhat.com/security/cve/CVE-2025-67848"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2423831"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=471298"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-280" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-02-03T19:16:25Z",
"nvd_published_at" : "2026-02-03T11:15:54Z"
}
}