CVE-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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
librenms/librenmsPackagist | < 26.2.0 | 26.2.0 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/librenms/librenms/commit/15429580baba03ed1dd377bada1bde4b7a1175a1nvdPatchWEB
- github.com/librenms/librenms/security/advisories/GHSA-79q9-wc6p-cf92nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-79q9-wc6p-cf92ghsaADVISORY
- github.com/librenms/librenms/pull/18777nvdIssue TrackingWEB
News mentions
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