CVE-2026-109353

LibreNMS before 26.9.0 SQL Injection via notification_id in notifications.inc.php

HIGH
7.1
CVSS Score
Published: October 12, 2026 at 04:05 PM UTC
Updated: October 15, 2026 at 08:33 PM UTC
1 product affected across 1 vendorLibrenms

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

LibreNMS before 26.9.0 contains an SQL injection vulnerability that allows unprivileged users to inject SQL by supplying an array-valued notification_id parameter to notifications.inc.php. Attackers can perform cross-table reads of users.password hashes, with results persisted in notifications_attribs and readable through the interface.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0
Vendor states this is fixed in 26.9.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHVulnCheck
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-89

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