Vulnerability in Z-9527 Admin
CVE-2026-5251
A vulnerability was identified in z-9527 admin 1.0/2.0. This impacts an unknown function of the file /server/routes/user.js of the component User Update Endpoint. Such manipulation of the argument isAdmin with the input 1 leads to dynamically-determined object attributes. It is possible to launch the attack remotely. The exploit is publicly available and might 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 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Z-9527 Admin — versions 1.0, 2.0
Weakness classification (CWE)
References
- vuldb.com/vuln/354441 (technical-description, vdb-entry)
- vuldb.com/vuln/354441/cti (signature, permissions-required)
- vuldb.com/submit/780607 (third-party-advisory)
- github.com/CC-T-454455/Vulnerabilities/tree/master/z9527-admin/vulnerability-11 (exploit)
Frequently asked questions
- What is CVE-2026-5251?
- CVE-2026-5251 is a medium-severity vulnerability in Z-9527 Admin, classified under Improper Control of Dynamically-Managed Code Resources. CVSS score: 6.3/10. Published 2026-04-01.
- How severe is CVE-2026-5251?
- Medium severity. CVSS v3 base score is 6.3 out of 10.