CVE-2026-34184

CRITICAL

9.1

Description

Hydrosystem Control System does not enforce authorization for some directories. This allows an unauthorized attacker to read all files in these directories and even execute some of them. Critically the attacker could run PHP scripts directly on the connected database.This issue was fixed in Hydrosystem Control System version 9.8.5

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

hydrosystem.poznan:control_system

Weaknesses (CWE)

CWE-862

References

https://cert.pl/posts/2026/04/CVE-2026-4901/(cvd@cert.pl)

https://www.hydrosystem.poznan.pl/(cvd@cert.pl)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.