LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below have a Time-Based Blind SQL Injection vulnerability in address-search.inc.php via the address parameter. When a crafted subnet prefix is supplied, the prefix value is concatenated directly into an SQL query without proper parameter binding, allowing an attacker to manipulate query logic and infer database information through time-based conditional responses. This vulnerability requires authentication and is exploitable by any authenticated user. This issue has been fixedd in version 26.2.0.

Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-79q9-wc6p-cf92 LibreNMS has a Time-Based Blind SQL Injection in address-search.inc.php
Fixes

Solution

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Workaround

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History

Fri, 20 Feb 2026 02:15:00 +0000

Type Values Removed Values Added
Description LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below have a Time-Based Blind SQL Injection vulnerability in address-search.inc.php via the address parameter. When a crafted subnet prefix is supplied, the prefix value is concatenated directly into an SQL query without proper parameter binding, allowing an attacker to manipulate query logic and infer database information through time-based conditional responses. This vulnerability requires authentication and is exploitable by any authenticated user. This issue has been fixedd in version 26.2.0.
Title LibreNMS has Time-Based Blind SQL Injection in address-search.inc.php
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-20T01:29:33.838Z

Reserved: 2026-02-17T01:41:24.606Z

Link: CVE-2026-26990

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-20T02:16:54.870

Modified: 2026-02-20T02:16:54.870

Link: CVE-2026-26990

cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses