RCE in Zhonglun Cloudpos
CVE-2026-97871
A vulnerability has been found in Zhonglun CloudPos up to 3.0.1.76. This issue affects the function OpenLocalBrowser of the file ZlPos/ZlPos/Bizlogic/JSBridge.cs of the component JSBridge. Such manipulation of the argument url leads to code injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. 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 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (24.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.003 · change: -0.002
Affected products
- Zhonglun Cloudpos — versions 3.0.1.0, 3.0.1.1, 3.0.1.10
Weakness classification (CWE)
References
- VDB-409887 | Zhonglun CloudPos JSBridge JSBridge.cs OpenLocalBrowser code injection (technical-description, vdb-entry)
- VDB-409887 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- CVE-2026-97871 | CVE Analysis and Report (third-party-advisory)
- Submit #911849 | 四川中仑数科科技有限责任公司 中仑零售3.0 中仑零售3.0 RCE漏洞 (third-party-advisory)
- github.com/xy-f0/CVE/issues/5 (issue-tracking)
- github.com/user-attachments/files/30580490/CloudPos.CefSharp.RCE.docx (exploit)
Frequently asked questions
- What is CVE-2026-97871?
- CVE-2026-97871 is a high-severity vulnerability in Zhonglun Cloudpos, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-25.
- How severe is CVE-2026-97871?
- High severity. CVSS v3 base score is 7.3 out of 10.