CVE-2026-109353

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

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: Low
Availability: None

Exploit likelihood

0.29%Unchanged since Oct 13, 2026

What each source reports

CVE List Score used 7.1

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

Record: CVE-2026-109353
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-89
Updated: 2026-11-02

EUVDEUVD-2026-97655 7.1

Record: EUVD-2026-97655
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g9jw-2r94-hwjc 7.1

LibreNMS before 26.9.0 contains an SQL injection vulnerability that allows unprivileged users to...

Record: GHSA-g9jw-2r94-hwjc
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-89
Updated: 2026-11-02

NVD 7.1

Record: CVE-2026-109353
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness: CWE-89
Updated: 2026-11-02

OSV 7.1

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

Record: CVE-2026-109353
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-89
Updated: 2026-11-02

Affected products

librenms

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-109353 is a high vulnerability (CVSS 7.1) in Librenms, published October 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.