CVE-2026-31956: CWE-639: Authorization Bypass Through User-Controlled Key in xibosignage xibo-cms
CVE-2026-31956 is an authorization bypass vulnerability in xibo-cms versions prior to 4. 4. 1. Authenticated users with certain privileges can manually construct URLs to preview campaigns or regions and export reports belonging to other users. This issue allows unauthorized access to data within the application. The vulnerability is fixed in version 4. 4. 1.
AI Analysis
Technical Summary
Xibo-cms, an open source digital signage platform, contains an authorization bypass vulnerability (CWE-639) in versions before 4.4.1. Authenticated users with privileges related to Layout Management, Campaign Management, or Saved Reports can exploit this flaw by manually crafting URLs to access campaign previews, regions, and export reports of other users. This bypasses intended access controls, exposing data to unauthorized users. The vulnerability has a CVSS 3.1 base score of 4.3 (medium severity) reflecting low confidentiality impact and no integrity or availability impact. The issue is resolved by upgrading to version 4.4.1.
Potential Impact
Exploitation allows authenticated users with specific privileges to access and export data (campaign previews, regions, saved reports) belonging to other users without proper authorization. The impact is limited to confidentiality with no reported integrity or availability effects. There are no known exploits in the wild.
Mitigation Recommendations
Upgrade xibo-cms to version 4.4.1 or later, which contains the fix for this authorization bypass vulnerability. No other mitigation steps are indicated or necessary according to the available data.
CVE-2026-31956: CWE-639: Authorization Bypass Through User-Controlled Key in xibosignage xibo-cms
Description
CVE-2026-31956 is an authorization bypass vulnerability in xibo-cms versions prior to 4. 4. 1. Authenticated users with certain privileges can manually construct URLs to preview campaigns or regions and export reports belonging to other users. This issue allows unauthorized access to data within the application. The vulnerability is fixed in version 4. 4. 1.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Xibo-cms, an open source digital signage platform, contains an authorization bypass vulnerability (CWE-639) in versions before 4.4.1. Authenticated users with privileges related to Layout Management, Campaign Management, or Saved Reports can exploit this flaw by manually crafting URLs to access campaign previews, regions, and export reports of other users. This bypasses intended access controls, exposing data to unauthorized users. The vulnerability has a CVSS 3.1 base score of 4.3 (medium severity) reflecting low confidentiality impact and no integrity or availability impact. The issue is resolved by upgrading to version 4.4.1.
Potential Impact
Exploitation allows authenticated users with specific privileges to access and export data (campaign previews, regions, saved reports) belonging to other users without proper authorization. The impact is limited to confidentiality with no reported integrity or availability effects. There are no known exploits in the wild.
Mitigation Recommendations
Upgrade xibo-cms to version 4.4.1 or later, which contains the fix for this authorization bypass vulnerability. No other mitigation steps are indicated or necessary according to the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-10T15:40:10.479Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69eac1fc87115cfb688c86e4
Added to database: 4/24/2026, 1:06:04 AM
Last enriched: 5/1/2026, 8:48:55 PM
Last updated: 6/7/2026, 8:27:42 AM
Views: 89
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