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

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-28 · updated 2026-10-29
Weakness: CWE-862

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.

Affected products

xibosignage xibo-cms: before 4.4.3

References

https://github.com/xibosignage/xibo-cms/commit/610f0ecbfdf7667d67c0dbe4aebc85245040d952
https://github.com/xibosignage/xibo-cms/commit/97e878f13615db2a448fdcff22895a19005f5d3a
https://github.com/xibosignage/xibo-cms/pull/3481
https://github.com/xibosignage/xibo-cms/releases/tag/4.4.3
https://github.com/xibosignage/xibo-cms/releases/tag/4.5.0-beta
https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-wj8r-32gf-6f5f

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