How severe is CVE-2026-40605?

CVE-2026-40605 has a CVSS 4.0 base score of 5.7, rated medium severity.

Is CVE-2026-40605 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40605?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40605 have an EU (EUVD) identifier?

Yes. CVE-2026-40605 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34256.

When was CVE-2026-40605 published?

CVE-2026-40605 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-40605

CVE-2026-40605 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 4.0 base score 5.7)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34256
Weakness: CWE-22
Published: 2026-06-04
Last modified: 2026-06-17

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.

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 severe is CVE-2026-40605?: CVE-2026-40605 has a CVSS 4.0 base score of 5.7, rated medium severity.
Is CVE-2026-40605 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40605?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40605 have an EU (EUVD) identifier?: Yes. CVE-2026-40605 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34256.
When was CVE-2026-40605 published?: CVE-2026-40605 was published on 2026-06-04 and last updated on 2026-06-17.

References

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