CVE-2026-26990

HIGH

8.8

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.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/20/2026

Derniere modification2/20/2026

Sourcenvd

Observations honeypot0

Produits affectes

librenms:librenms

Faiblesses (CWE)

CWE-89

References

https://github.com/librenms/librenms/commit/15429580baba03ed1dd377bada1bde4b7a1175a1(security-advisories@github.com)

https://github.com/librenms/librenms/pull/18777(security-advisories@github.com)

https://github.com/librenms/librenms/security/advisories/GHSA-79q9-wc6p-cf92(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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