CVE-2026-108715 LibreNMS through 26.9.1.1 Authorization Bypass via Smokeping Graph auth.inc.php
Restricted users can bypass authorization checks to view latency data and enumerate device names for arbitrary devices in LibreNMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108715?
CVE-2026-108715 is a medium-severity missing authorization vulnerability in librenms, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-108715?
How do I fix CVE-2026-108715?
No fix has been published for CVE-2026-108715 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-108715 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108715 exists.
Sources
Also known as GHSA-jxv8-wv9v-5824.