Detections
Analytics

SCA: security update for librenms/librenms (GHSA-93fx-g747-695x)

medium Tenable Cloud Security Plugin ID 437853

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 port group name is not sanitized, allowing attackers with admin privileges to perform Stored
 Cross-Site Scripting (XSS) attacks. When a user adds a port group, an HTTP POST request is sent to the
 Request-URI "/port-groups". The name of the newly created port group is stored in the value of the name
 parameter. After the port group is created, the entry is displayed along with relevant buttons such as
 Edit and Delete. This issue has been fixed in version 26.2.0. (CVE-2026-26992)

See Also

https://github.com/advisories/GHSA-93fx-g747-695x

Plugin Details

Severity: Medium

ID: 437853

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-2026-26992

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-2026-26992

cwe: CWE-79