[ CVE-2026-108715 · Published 11 Oct 2026 ]
Vulnerability in librenms
CVSS 4.3
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
LibreNMS through 26.9.1.1 contains an authorization bypass vulnerability in includes/html/graphs/smokeping/auth.inc.php that checks the src probe device instead of the rendered target device. Restricted users permitted on a probe device can request smokeping_in or smokeping_out graphs with arbitrary device ids to view latency data and enumerate device names.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/librenms/librenms
- github.com/librenms/librenms/blob/26.9.1.1/LibreNMS/Util/Graph.php
- github.com/librenms/librenms/blob/26.9.1.1/includes/html/graphs/smokeping/auth.inc.php
- hackmd.io/@haind/librenms-smokeping-graph-src-device-auth-confusion
- www.vulncheck.com/advisories/librenms-through-26.9.1.1-authorization-bypass-via-smokepi…