Is CVE-2026-5781 actively exploited?

No active exploitation of CVE-2026-5781 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5781 be exploited remotely?

Yes. CVE-2026-5781 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5781?

CVE-2026-5781 has a CVSS score of 8.5 (HIGH).

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HIGH

CVE-2026-5781

CWE-285Published: April 28, 2026· Updated: Apr 28, 2026

8.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.4th

Official Description

An authorization vulnerability in MphRx's Minerva V3.6.0, specifically in the '/minerva/moUser/update' endpoint, could allow an authenticated user with user modification privileges to escalate their privileges by sending an HTTP request with a manipulated 'identifier' field. Successful exploitation of this vulnerability could allow an authenticated user to obtain administrator privileges. It is not possible to escalate privileges through the graphical user interface.

NVD Source

Technical Analysis

CVE-2026-5781 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

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X