Low severityOSV Advisory· Published Jan 22, 2026· Updated Jan 23, 2026
Moonraker with LDAP Enabled Allows Malicious Search Filter Injection
CVE-2026-24130
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moonrakerPyPI | < 0.10.0 | 0.10.0 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-3jqf-v4mv-747gghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-24130ghsaADVISORY
- github.com/Arksine/moonraker/commit/74c5d8e44c4a4abbfbb06fb991e7ebb9ac947f42ghsax_refsource_MISCWEB
- github.com/Arksine/moonraker/security/advisories/GHSA-3jqf-v4mv-747gghsax_refsource_CONFIRMWEB
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