How severe is CVE-2026-27792?

CVE-2026-27792 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-27792 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27792?

CVE-2026-27792 affects Seerr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27792?

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

Does CVE-2026-27792 have an EU (EUVD) identifier?

Yes. CVE-2026-27792 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9054.

When was CVE-2026-27792 published?

CVE-2026-27792 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-27792

CVE-2026-27792 is a medium-severity vulnerability in Seerr with a CVSS 3.x base score of 5.4. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9054
Weakness: CWE-862
Affected product: Seerr
Published: 2026-02-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-27792?: 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.
How severe is CVE-2026-27792?: CVE-2026-27792 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-27792 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27792?: CVE-2026-27792 affects Seerr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27792?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27792 have an EU (EUVD) identifier?: Yes. CVE-2026-27792 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9054.
When was CVE-2026-27792 published?: CVE-2026-27792 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:seerr:seerr:*:*:*:*:*:*:*:*

More vulnerabilities in Seerr

CVE-2026-27707 — High (CVSS 7.3): Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. Starting in version 2.0.0 and…
CVE-2026-27793 — Medium (CVSS 6.5): Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. Prior to version 3.1.0, the…

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