CVE-2026-2728

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.

Score

CVSS 3.1 4.8 Medium

Status

Analyzed - ab69c47f-b95e-4bf2-b2d9-4b1fd1b24b4a

Published

2026-04-13

Last modified

2026-04-13

Weaknesses

CWE-79

Affected products

• Librenms (Librenms)

References

• https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630