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CVE-2026-24130

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Date: January 22, 2026

Moonraker is a Python web server providing API access to Klipper 3D printing firmware. In versions 0.9.3 and below, instances configured with the "ldap" component enabled are vulnerable to LDAP search filter injection techniques via the login endpoint. The 401 error response message can be used to determine whether or not a search was successful, allowing for brute force methods to discover LDAP entries on the server such as user IDs and user attributes. This issue has been fixed in version 0.10.0.

Severity Score

Related Resources (5)

https://github.com/Arksine/moonraker/commit/74c5d8e44c4a4abbfbb06fb991e7ebb9ac947f42
https://github.com/Arksine/moonraker
https://nvd.nist.gov/vuln/detail/CVE-2026-24130
https://github.com/Arksine/moonraker/security/advisories/GHSA-3jqf-v4mv-747g
https://www.mend.io/vulnerability-database/CVE-2026-24130

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

CWE-90

Generation of Error Message Containing Sensitive Information

CWE-209

Top Fix

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Upgrade Version

Upgrade to version moonraker - 0.10.0;https://github.com/Arksine/moonraker.git - v0.10.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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