Arbitrary Command Injection Affecting librenms/librenms package, versions <26.5.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PHP-LIBRENMSLIBRENMS-20158839
- published27 Sept 2026
- disclosed18 Aug 2026
- creditUnknown
Introduced: 18 Aug 2026
CVE-2026-55182 (opens in a new tab)How to fix?
Upgrade librenms/librenms to version 26.5.0 or higher.
Overview
librenms/librenms is a fully featured network monitoring system that provides a wealth of features and device support.
Affected versions of this package are vulnerable to Arbitrary Command Injection in the deliverAlert process due to insufficient escaping of user-supplied input in the exec call. An attacker can execute arbitrary commands on the host server by crafting malicious entries in the alert transport configuration. This is only exploitable if the attacker has authenticated administrative privileges.