CVE-2026-31831: Tautulli is a Python based monitoring and tracking tool for Plex Media Server

Q: How do I fix CVE-2026-31831?

tautulli: upgrade to 2.17.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-31831 being exploited?

CVE-2026-31831 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-31831 affect?

CVE-2026-31831 affects tautulli. Severity is high (CVSS 7.5). 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 fr

Q: How urgent is CVE-2026-31831?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-31831 is a high-severity flaw (CVSS 7.5) affecting tautulli. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-23
Published	2026-03-30
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: tautulli

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-30 20:16 UTCPublished CVE record published
2026-06-17 10:34 UTCUpdated Record last modified

tautulli tautulli UPGRADE

Affected: < 2.17.0

Fixed in: 2.17.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tautulli || rpm -q tautulli || tautulli --version

2. UPGRADE to 2.17.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tautulli

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tautulli

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · perl-Encode · FIXED · 3.25-528.eln159 · FEDORA-2026-79991d0238 · source

sudo dnf upgrade --advisory=FEDORA-2026-79991d0238

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/Tautulli/Tautulli/security/advisories/GHSA-xp55-2pf4-fv8m
Nuclei scan template: Tautulli <= 2.16.1 - Path Traversal

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-31831?

tautulli: upgrade to 2.17.0. Exact commands for each OS are on this page.

Is CVE-2026-31831 being exploited?

CVE-2026-31831 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-31831 affect?

CVE-2026-31831 affects tautulli. Severity is high (CVSS 7.5). 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 fr

How urgent is CVE-2026-31831?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities · Plex vulnerabilities

Related CVEs

CVE-2026-32275 CRITICAL 9.1 UPGRADE Tautulli is a Python based monitoring and tracking tool for Plex Media Server
CVE-2026-31804 MEDIUM 4.0 UPGRADE Tautulli is a Python based monitoring and tracking tool for Plex Media Server
CVE-2026-31799 MEDIUM 4.9 UPGRADE Tautulli is a Python based monitoring and tracking tool for Plex Media Server
CVE-2026-28505 CRITICAL 10.0 UPGRADE Tautulli is a Python based monitoring and tracking tool for Plex Media Server

References

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