CVE-2026-4901
Severity CVSS v4.0:
MEDIUM
Type:
CWE-532
Information Exposure Through Log Files
Publication date:
09/04/2026
Last modified:
20/04/2026
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
Impact
Base Score 4.0
6.90
Severity 4.0
MEDIUM
Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:hydrosystem.poznan:control_system:*:*:*:*:*:*:*:* | 9.8.5 (excluding) |
To consult the complete list of CPE names with products and versions, see this page



