CVE-2026-26990HIGH 8.8EPSS p89.3%

CVE-2026-26990CVE-2026-26990

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS4.05% probability of exploitation · percentile 89.3% · 2026-06-18T12:00:27Z
Published2026-02-20
Last modified2026-02-20

Underlying weaknesses· 1

CWE-89

References

  1. https://github.com/librenms/librenms/commit/15429580baba03ed1dd377bada1bde4b7a1175a1
  2. https://github.com/librenms/librenms/pull/18777
  3. https://github.com/librenms/librenms/security/advisories/GHSA-79q9-wc6p-cf92

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection')cwe-890%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.