Vulnerability in Zhonglun Cloudpos
CVE-2026-97866
A weakness has been identified in Zhonglun CloudPOS 3.0. Affected by this vulnerability is an unknown functionality of the file Program.cs of the component Automatic Update. Executing a manipulation of the argument version/url/packagekey/package name can lead to channel accessible by non-endpoint. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitation appears to be difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Zhonglun Cloudpos — versions 3.0
Weakness classification (CWE)
References
- vuldb.com/vuln/409883 (technical-description, vdb-entry)
- vuldb.com/vuln/409883/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-97866 (third-party-advisory)
- vuldb.com/submit/911606 (third-party-advisory)
- github.com/xy-f0/CVE/issues/4 (issue-tracking)
- github.com/user-attachments/files/30572292/CloudPos.docx (exploit)
Frequently asked questions
- What is CVE-2026-97866?
- CVE-2026-97866 is a medium-severity vulnerability in Zhonglun Cloudpos, classified under Channel Accessible by Non-Endpoint. CVSS score: 5.6/10. Published 2026-09-25.
- How severe is CVE-2026-97866?
- Medium severity. CVSS v3 base score is 5.6 out of 10.