CVE-2026-40605

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.

EPSS — Exploit Prediction

0.0030

Probability of exploitation

0.22%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

CWE-73 CWE-73

References

Other References

https://github.com/Tautulli/Tautulli/releases/tag/v2.17.1 https://github.com/Tautulli/Tautulli/security/advisories/GHSA-fg46-xx7h-mhwr https://github.com/Tautulli/Tautulli/security/advisories/GHSA-fg46-xx7h-mhwr

Frequently Asked Questions

What is CVE-2026-40605? +

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.

How do I check if I'm vulnerable to CVE-2026-40605? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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