CVE-2026-50542
Xibo: IDOR (Broken Object-Level Authorization) on GET /layout/status/{id} Allows Arbitrary Layout Metadata Disclosure
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.
INFO
Published Date :
Oct. 28, 2026, 4:17 p.m.
Last Modified :
Oct. 28, 2026, 4:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Xibo to version 4.4.3 or later.
- Verify access controls are enforced correctly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-50542.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-50542 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-50542
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-50542 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-50542 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Oct. 28, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/50xxx/CVE-2026-50542.json">CVE-2026-50542</a> Added Reference https://github.com/xibosignage/xibo-cms/commit/610f0ecbfdf7667d67c0dbe4aebc85245040d952 Added Reference https://github.com/xibosignage/xibo-cms/commit/97e878f13615db2a448fdcff22895a19005f5d3a Added Reference https://github.com/xibosignage/xibo-cms/pull/3481 Added Reference https://github.com/xibosignage/xibo-cms/releases/tag/4.4.3 Added Reference https://github.com/xibosignage/xibo-cms/releases/tag/4.5.0-beta Added Reference https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-wj8r-32gf-6f5f -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 28, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-50542', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-28T16:04:53.605753Z'}