CVE-2026-4901
MEDIUM EPSS 17.2%
Published Apr 9, 20262mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago
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
CVSS Details
Base Score
Exploitability
Impact
Vector string
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
Threat Intelligence
EPSS Exploit Probability
17.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-532
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| hydrosystem.poznan | control_system | * | <9.8.5 |
References 2
- cert.pl https://cert.pl/posts/2026/04/CVE-2026-4901/
- hydrosystem.poznan.pl https://www.hydrosystem.poznan.pl/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.