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

Quick assessment

Affected
xibosignage xibo-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xibo 是一个开源的数字标牌平台，包含基于 Web 的内容管理系统和 Windows 显示端播放器软件。在 4.4.3 版本之前， 接口缺少访问控制检查，导致任何已认证用户（无论其权限等级如何）均可查看任意布局的状态和元数据，包括该用户本无权查看的布局。此问题已在 4.4.3 版本中修复。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1212 · Exploitation for Credential Access

Affected Version Matrix 1

VendorProduct Version RangeStatus
xibosignage xibo-cms < 4.4.3 affected
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I. Basic Information for CVE-2026-50542

Vulnerability Information
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Vulnerability Title
Xibo: IDOR (Broken Object-Level Authorization) on GET /layout/status/{id} Allows Arbitrary Layout Metadata Disclosure
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
xibosignage xibo-cms < 4.4.3 -

II. Public POCs for CVE-2026-50542

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III. Intelligence Information for CVE-2026-50542

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Patches & Fixes for CVE-2026-50542 (3)

Vendor Advisories for CVE-2026-50542 (1)

Vendor Pages for CVE-2026-50542 (2)

Same Patch Batch · xibosignage · 2026-10-28 · 5 CVEs total

CVE-2026-52729 7.1 HIGH Xibo: IDOR (Broken Object-Level Authorization) on PUT/DELETE /action/{id} Allows Arbitrary
CVE-2026-50541 6.5 MEDIUM Xibo: IDOR (Broken Object-Level Authorization) on GET /dataset/export/csv/{id} Allows Arbi
CVE-2026-50539 6.5 MEDIUM Xibo: Missing Object-Level Authorization on /notification/export/{id} Allows Authenticated
CVE-2026-50543 4.3 MEDIUM Xibo: Missing Authorization on POST /displaygroup/criteria/{displayGroupId} Allows Arbitra

IV. Related Vulnerabilities

Same product: xibo-cms
Same vendor: xibosignage
Same weakness: CWE-862