CVE-2026-40605 Tautulli Vulnerable to Authenticated Path Traversal in Cache Deletion API
Authenticated attackers can exploit a path traversal flaw in the cache deletion API to delete arbitrary directories, causing data loss and service disruption.
- 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-2026-40605?
CVE-2026-40605 is a medium-severity path traversal vulnerability in Tautulli, published on 4 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.1, a path traversal vulnerability in the cache deletion endpoint allows authenticated API access to delete directories outside the configured cache path. This can cause arbitrary data loss and service disruption. Version 2.17.1 fixes the issue.
Which versions are affected by CVE-2026-40605?
How do I fix CVE-2026-40605?
No fix has been published for CVE-2026-40605 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-2026-40605 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40605 exists.
Sources
Also known as GHSA-fg46-xx7h-mhwr.