CVE-2026-27792: Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby

Routine

MEDIUM 5.4UPGRADE

CVE-2026-27792 is a medium-severity flaw (CVSS 5.4) affecting seerr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. A missing authorization vulnerability has been identified in the application starting in version 2.7.0 and prior to version 3.1.0. It allows authenticated users to access and modify data belonging to other users. This issue is due to the absence of the `isOwnProfileOrAdmin()` middleware on several push subscription API routes. Version 3.1.0 fixes the issue.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-02-27
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-02-27 20:21 UTCPublished CVE record published
2026-06-17 10:27 UTCUpdated Record last modified

seerr seerr UPGRADE

Affected: >= 2.7.0 and < 3.1.0

Fixed in: 3.1.0

Safe to downgrade to: a release before 2.7.0

1. Check installed version

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

2. UPGRADE to 3.1.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade seerr

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 2.7.0 (Debian / Ubuntu)

apt-cache madison seerr sudo apt install seerr=<VERSION_BEFORE_2.7.0> sudo apt-mark hold seerr

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

dnf --showduplicates list seerr sudo dnf downgrade seerr-<VERSION_BEFORE_2.7.0> sudo dnf versionlock add seerr

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-2026-27792?

seerr: upgrade to 3.1.0. Exact commands for each OS are on this page.

Is CVE-2026-27792 being exploited?

CVE-2026-27792 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-2026-27792 affect?

CVE-2026-27792 affects seerr. Severity is medium (CVSS 5.4). Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. A missing authorization vulnerability has been identified in the application starting in version 2.7.0 and prior to version 3.1.0. It allows authentic

How urgent is CVE-2026-27792?

Priority 23/100. No elevated risk signals yet.

Software pages

Jellyfin vulnerabilities

Related CVEs

CVE-2026-27793 MEDIUM 6.5 UPGRADE Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby
CVE-2026-27707 HIGH 7.3 UPGRADE Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby

References

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