Is CVE-2026-5251 actively exploited?

No active exploitation of CVE-2026-5251 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5251 be exploited remotely?

Yes. CVE-2026-5251 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5251?

CVE-2026-5251 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-5251

CWE-913Published: April 1, 2026· Updated: Apr 1, 2026

6.3

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.4th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-5251 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.