CVE-2026-4901

| EUVD-2026-20888 MEDIUM
2026-04-09 CERT-PL GHSA-f43w-3fr5-h2m3
6.9
CVSS 4.0
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CVSS Vector

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Apr 09, 2026 - 10:00 vuln.today
EUVD ID Assigned
Apr 09, 2026 - 10:00 euvd
EUVD-2026-20888
CVE Published
Apr 09, 2026 - 09:40 nvd
MEDIUM 6.9

Tags

Information Disclosure Hardcoded Credentials Control System

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

Analysis

Hydrosystem Control System versions prior to 9.8.5 log user credentials in plaintext to accessible log files, enabling authenticated attackers with administrative privileges to extract valid credentials for lateral movement and privilege escalation. This vulnerability is particularly critical when chained with CVE-2026-34184, which may enable unauthorized access to those logged credentials. …

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Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

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CVE-2026-4901 vulnerability details – vuln.today
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