Detections
Analytics

SCA: security update for librenms/librenms (GHSA-5pqf-54qp-32wx)

medium Tenable Cloud Security Plugin ID 437840

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. In versions 26.1.1 and
 below, the device group name is not sanitized, allowing attackers with admin privileges to perform Stored
 Cross-Site Scripting (XSS) attacks. When a user adds a device group, an HTTP POST request is sent to the
 Request-URI "/device-groups". The name of the newly created device group is stored in the value of the
 name parameter. After the device group is created, the entry is displayed along with relevant buttons such
 as Rediscover Devices, Edit, and Delete. This issue has been fixed in version 26.2.0. (CVE-2026-26991)

See Also

https://github.com/advisories/GHSA-5pqf-54qp-32wx

Plugin Details

Severity: Medium

ID: 437840

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 2/19/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N

CVSS Score Source: CVE-2026-26991

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/18/2026

Vulnerability Publication Date: 2/18/2026

Reference Information

CVE: CVE-2026-26991

cwe: CWE-79