Path Traversal Vulnerability in Tautulli Monitoring Tool for Plex Media Server
CVE-2026-31831

8.7HIGH

Key Information:

Vendor

Tautulli

Status
Tautulli
Vendor
CVE Published:
30 March 2026

What is CVE-2026-31831?

Tautulli, a Python-based monitoring and tracking tool for Plex Media Server, contains a vulnerability in the /newsletter/image/images API endpoint that permits path traversal. This security flaw enables unauthenticated attackers to access and read arbitrary files from the server's filesystem. This issue was addressed and mitigated in version 2.17.0 of Tautulli, emphasizing the importance of maintaining updated software to protect against potential exploits.

Affected Version(s)

Tautulli < 2.17.0

References

https://github.com/Tautulli/Tautulli/security/advisories/...
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https://github.com/Tautulli/Tautulli/releases/tag/v2.17.0
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CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.