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CVE-2026-31831

Tautulli path traversal

7.5 HIGHPublic exploitEPSS 1.87%
  1. Published30 Mar 2026

Description

Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.0, the /newsletter/image/images API endpoint is vulnerable to path traversal, allowing unauthenticated attackers to read arbitrary files from the application server's filesystem. This issue has been patched in version 2.17.0.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Tautulli< 2.17.0

Remediation

Fixed in
Tautulli≥ 2.17.0

References

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Frequently asked

Is CVE-2026-31831 being actively exploited?

CVE-2026-31831 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.87%.

How severe is CVE-2026-31831?

CVE-2026-31831 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 1.87% probability of exploitation.

Which products are affected by CVE-2026-31831?

Affected products include Tautulli.

How do I fix CVE-2026-31831?

Upgrade affected software to a fixed version, for example Tautulli 2.17.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-31831 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.