Vulnerability · Published Apr 24, 2026 · Assigned by GitHub_M

CVE-2026-31956Xibo CMS has Preview and SavedReport IDOR via disableUserCheck without controller-level authorization

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in xibo-cms from xibosignage. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 81.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to version 4.4.1, any authenticated user can manually construct a URL to preview campaigns/regions, and export saved reports belonging to other users. Exploitation of the vulnerability is possible on behalf of an authorized user who has any of the following privileges: Page which shows all Layouts that have been created for the purposes of Layout Management; page which shows all Campaigns that have been created for the purposes of Campaign Management; and page which shows all Reports that have been Saved. Users should upgrade to version 4.4.1 which fixes this issue. Upgrading to a fixed version is necessary to remediate.

Affected products (as reported)

Vendor	Product	Versions
xibosignage	xibo-cms	< 4.4.1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8 x_refsource_CONFIRM
https://github.com/xibosignage/xibo-cms/releases/tag/4.4.1 x_refsource_MISC