CVE-2026-67433 Linuxfabrik monitoring-plugins: Symlink following in logfile legacy database migration
Local attackers can exploit symlink following during database migration to escalate privileges or modify data when checks run as root.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67433?
CVE-2026-67433 is a medium-severity path traversal vulnerability in Linuxfabrik monitoring-plugins, published on 29 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring systems. In version 6.0.0, the logfile check legacy database migration moved a predictable path from /tmp with os.rename() and allowed a local user controlling the plugin account to place a symlink that would be followed by sqlite3.connect() during a root-run check.
Which versions are affected by CVE-2026-67433?
How do I fix CVE-2026-67433?
No fix has been published for CVE-2026-67433 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-67433 being exploited?
There is no known exploitation of CVE-2026-67433 in the wild and no public exploit code.
Sources
Also known as GHSA-w2gg-hx6w-24w3.