CVE-2026-24130 Moonraker with LDAP Enabled Allows Malicious Search Filter Injection
Attackers can inject LDAP search filters to brute-force user IDs and attributes when LDAP is enabled, exposing sensitive directory information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24130?
CVE-2026-24130 is a low-severity vulnerability in Arksine moonraker, published on 22 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-24130?
3 open source packages ship an affected version, including moonraker. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moonraker PyPI | All versions | 0.10.0 |
moonraker PyPI | All versions | 0.10.0 |
moonraker PyPI | All versions | 0.10.0 |
Products include Arksine Moonraker.
How do I fix CVE-2026-24130?
Upgrade moonraker to 0.10.0 or later.
Is CVE-2026-24130 being exploited?
There is no known exploitation of CVE-2026-24130 in the wild and no public exploit code.
Sources
Also known as GHSA-3jqf-v4mv-747g, PYSEC-2026-1679.