CVE-2026-32275: Tautulli: Unsanitized JSONP callback parameter allows cross-origin script injection and API key theft

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-30 · updated 2026-06-17
Weakness: CWE-79

Description

Tautulli is a Python based monitoring and tracking tool for Plex Media Server. From version 1.3.10 to before version 2.17.0, an unsanitized JSONP callback parameter allows cross-origin script injection and API key theft. This issue has been patched in version 2.17.0.

Affected products

Tautulli: from 1.3.10 before 2.17.0 — fixed in 2.17.0

How to fix

Upgrade to a fixed version: Tautulli 2.17.0. Check the vendor advisory for mitigations.

References

https://github.com/Tautulli/Tautulli/releases/tag/v2.17.0
https://github.com/Tautulli/Tautulli/security/advisories/GHSA-95mg-wpqw-9qxh

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