CVE-2026-2728
low
CVSS v3
—
CVSS v2
—
VIR risk
2.5
Description
LibreNMS: Cross-Site Scripting in ShowConfigController
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | librenms/librenms | >=25.12.0,<26.3.0 | 26.3.0 |
| Packagist | librenms/librenms | <26.3.0 | 26.3.0 |
| COMPOSER | librenms/librenms | >= 25.12.0, < 26.3.0 | 26.3.0 |
References
- https://github.com/advisories/GHSA-5gm9-622f-qcg5
- https://github.com/librenms/librenms/security/advisories/GHSA-5gm9-622f-qcg5
- https://github.com/librenms/librenms
- https://github.com/librenms/librenms/releases/tag/26.3.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-2728
- https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
Verify integrity in audit chain (admin only). AS-IS.