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CVE-2026-34184

Hydrosystem.poznan Control System broken access control

9.1 CRITICALEPSS 0.46%
  1. Published9 Apr 2026

Description

AlanWeb SCADA 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 AlanWeb SCADA version 9.8.5

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Hydrosystem.poznan Control System< 9.8.5

Remediation

Fixed in
Hydrosystem.poznan Control System≥ 9.8.5

References

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Frequently asked

Is CVE-2026-34184 being actively exploited?

CVE-2026-34184 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.46%.

How severe is CVE-2026-34184?

CVE-2026-34184 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.46% probability of exploitation.

Which products are affected by CVE-2026-34184?

Affected products include Hydrosystem.poznan Control System.

How do I fix CVE-2026-34184?

Upgrade affected software to a fixed version, for example Hydrosystem.poznan Control System 9.8.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.