CVE-2026-50542 Xibo: IDOR (Broken Object-Level Authorization) on GET /layout/status/{id} Allows Arbitrary Layout Metadata Disclosure

Medium 5.4 Published 28 Oct 2026 Updated 28 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-50542?

CVE-2026-50542 is a medium-severity vulnerability in xibosignage xibo-cms, published on 28 Oct 2026.

Official description

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.3, missing access-control checks on `GET /layout/status/{id}` allow an authenticated user with any privileges to view the `status and metadata` of any layout, including layouts for which the user does not have view rights. This issue is fixed in version 4.4.3.

Weakness: CWE-862

Which versions are affected by CVE-2026-50542?

How do I fix CVE-2026-50542?

No fix has been published for CVE-2026-50542 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-50542 being exploited?

There is no known exploitation of CVE-2026-50542 in the wild and no public exploit code.

Sources

Also known as GHSA-wj8r-32gf-6f5f.