What is CVE-2026-109353?

CVE-2026-109353 is a high-severity vulnerability in Librenms, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-10-12.

How severe is CVE-2026-109353?

High severity. CVSS v3 base score is 7.1 out of 10.

SQL Injection in Librenms

CVE-2026-109353

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.

Vulnerability class: SQL Injection

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Librenms

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/librenms/librenms/security/advisories/GHSA-2pw7-8mmj-gcw5 (vendor-advisory)
www.vulncheck.com/advisories/librenms-before-26.9.0-sql-injection-via-notificat… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109353?: CVE-2026-109353 is a high-severity vulnerability in Librenms, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-10-12.
How severe is CVE-2026-109353?: High severity. CVSS v3 base score is 7.1 out of 10.