High severity · published Oct 12, 2026
CVE-2026-109353
LibreNMS before 26.9.0 SQL Injection via notification_id in notifications.inc.php
7.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
librenms · librenms
before 26.9.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109353
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109353
vendor-advisory
https://github.com/librenms/librenms/security/advisories/GHSA-2pw7-8mmj-gcw5
third-party-advisory
https://www.vulncheck.com/advisories/librenms-before-26.9.0-sql-injection-via-notification-id-in-notifications-inc-php
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