Check Point Advisories

LibreNMS SQL Injection (CVE-2026-26990)

Check Point Reference: CPAI-2026-1322
Date Published: 12 Mar 2026
Severity: High
Last Updated: Wednesday 01 July, 2026
Source:
Industry Reference:CVE-2026-26990
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? LibreNMS prior to 26.2.0
Vulnerability Description A sql injection vulnerability in LibreNMS allows attackers to manipulate query logic and infer database information through time-based conditional responses.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the LibreNMS SQL Injection (CVE-2026-26990) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  LibreNMS SQL Injection (CVE-2026-26990)

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