HOMEVULNERABILITIESCVE-2026-31956
MEDIUM

CVE-2026-31956

CWE-639Published: April 24, 2026· Updated: Apr 27, 2026

4.3
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:7.0th

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.

NVD Source

Technical Analysis

CVE-2026-31956 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

xibosignage1 product
xibo
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8

All References (2)

→
https://github.com/xibosignage/xibo-cms/releases/tag/4.4.1Release Notes
→
https://github.com/xibosignage/xibo-cms/security/advisories/GHSA-q6rv-8hhj-3fr8Vendor Advisory

Quick Facts

CVE IDCVE-2026-31956
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-639
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedApr 24, 2026

Related CVEs (CWE-639)

CVE-2026-45552
9.9
CVE-2026-52782
9.9
CVE-2026-55255
KEV9.9
CVE-2026-29200
9.9
CVE-2018-25270
9.8
CVE-2026-12073
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-31956 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-31956·NVD