CVE-2026-52729

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 `PUT/DELETE /action/{id}` allow an authenticated user to modify or delete actions on any Layout. Exploitation requires the privilege to allow edits, including deletion, to all created Layouts, which is granted to non-administrators as standard. This issue concerns `Layout actions` rather than the separately reported DataSet export vulnerability. This issue is fixed in version 4.4.3.

• CWE-862

• https://github.com/xibosignage/xibo-cms/commit/96d7b458781b8cd10e64788565fbdeffd15f08cf
• https://github.com/xibosignage/xibo-cms/commit/efd13abf868e2386f40929ed6e4f36fead310f20
• https://github.com/xibosignage/xibo-cms/pull/3492
• 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-7j3h-48f7-w4fr

Published

Oct 28, 2026

Last Modified

Nov 4, 2026

Status

Deferred

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