What is CVE-2026-43985?

CVE-2026-43985 is a high-severity vulnerability in Tautulli, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-06-04.

How severe is CVE-2026-43985?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Tautulli

CVE-2026-43985

Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Versions prior to 2.17.1 expose `configUpdate` as a state-changing administrator endpoint, but the route does not enforce `POST` and does not use any anti-CSRF…

Vulnerability class: CSRF (Cross-Site Request Forgery)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Tautulli — versions < 2.17.1

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-43985?: CVE-2026-43985 is a high-severity vulnerability in Tautulli, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2026-06-04.
How severe is CVE-2026-43985?: High severity. CVSS v3 base score is 8.8 out of 10.