CVE-2026-31799: Tautulli is a Python based monitoring and tracking tool for Plex Media Server

Routine

MEDIUM 4.9UPGRADE

CVE-2026-31799 is a medium-severity flaw (CVSS 4.9) 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. From version 2.14.2 to before version 2.17.0 for parameters "before" and "after" and from version 2.1.0-beta to before version 2.17.0 for parameters "section_id" and "user_id", the /api/v2?cmd=get_home_stats endpoint passes the section_id, user_id, before, and after query parameters directly into SQL via Python %-string formatting without parameterization. An attacker

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-20, CWE-89
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: >= 2.1.0 and < 2.17.0

Fixed in: 2.17.0

Safe to downgrade to: a release before 2.1.0

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.

3. If no update is available yet, DOWNGRADE to a release before 2.1.0 (Debian / Ubuntu)

apt-cache madison tautulli sudo apt install tautulli=<VERSION_BEFORE_2.1.0> sudo apt-mark hold tautulli

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tautulli sudo dnf downgrade tautulli-<VERSION_BEFORE_2.1.0> sudo dnf versionlock add tautulli

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-31799?

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

Is CVE-2026-31799 being exploited?

CVE-2026-31799 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-2026-31799 affect?

CVE-2026-31799 affects tautulli. Severity is medium (CVSS 4.9). Tautulli is a Python based monitoring and tracking tool for Plex Media Server. From version 2.14.2 to before version 2.17.0 for parameters "before" and "after" and from version 2.1.0-beta to before version 2.17.0 for parameters "section_id"

How urgent is CVE-2026-31799?

Priority 31/100. Public exploit reference

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-2026-31831 HIGH 7.5 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-2026-28505 CRITICAL 10.0 UPGRADE Tautulli is a Python based monitoring and tracking tool for Plex Media Server

References

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