Detections
Analytics

SCA: security update for librenms/librenms (GHSA-5gm9-622f-qcg5)

medium Tenable Cloud Security Plugin ID 442046

Description

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

 - LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the
 showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in
 XSS attacks being performed against other users with access to the page. (CVE-2026-2728)

Solution

Update the librenms/librenms library and its related packages to version 26.3.0 or later.

See Also

https://github.com/advisories/GHSA-5gm9-622f-qcg5

Plugin Details

Severity: Medium

ID: 442046

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 5/18/2026

Updated: 7/20/2026

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: Low

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-2026-2728

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: 4.6

Threat Score: 1.8

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2026

Vulnerability Publication Date: 4/13/2026

Reference Information

CVE: CVE-2026-2728

cwe: CWE-79