Is CVE-2026-4901 actively exploited?

No active exploitation of CVE-2026-4901 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4901 be exploited remotely?

Yes. CVE-2026-4901 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4901?

CVE-2026-4901 has a CVSS score of 6.9 (MEDIUM).

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MEDIUM

CVE-2026-4901

CWE-532Published: April 9, 2026· Updated: Apr 13, 2026

6.9

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.7th

Official Description

Hydrosystem Control System saves sensitive information into a log file. Critically, user credentials are logged allowing the attacker to obtain further authorized access into the system. Combined with vulnerability CVE-2026-34184, these sensitive information could be accessed by an unauthorized user.This issue was fixed in Hydrosystem Control System version 9.8.5

NVD Source

Technical Analysis

CVE-2026-4901 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high 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.High

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/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