Detections
Analytics

SCA: security update for librenms/librenms (GHSA-6xmx-xr9p-58p7)

medium Tenable Self-Hosted Container Security Plugin ID 437827

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. Versions 25.12.0 and below
 are affected by a Stored Cross-Site Scripting (XSS) vulnerability in the Alert Rules workflow. An attacker
 with administrative privileges can inject malicious scripts that execute in the browser context of any
 user who accesses the Alert Rules page. This issue has been fixed in version 26.2.0. (CVE-2026-26989)

See Also

https://github.com/advisories/GHSA-6xmx-xr9p-58p7

Plugin Details

Severity: Medium

ID: 437827

Version: Revision 1.10

Type: Local

Family: SCA Checks

Published: 2/19/2026

Updated: 6/1/2026

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-2026-26989

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

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-2026-26989

cwe: CWE-79