CVE-2026-4901 Insertion of Sesitive Information into Log File in AlanWeb SCADA

Medium 6.9 Published Updated

Attackers can read sensitive user credentials from log files to gain unauthorized access to the SCADA system.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-4901?

CVE-2026-4901 is a medium-severity vulnerability in Control System AlanWeb SCADA, published on 9 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

AlanWeb SCADA 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 AlanWeb SCADA version 9.8.5

Weakness: CWE-532

Which versions are affected by CVE-2026-4901?

It affects 1 product.

Products include Hydrosystem.poznan Control System.

How do I fix CVE-2026-4901?

No fix has been published for CVE-2026-4901 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-4901 being exploited?

There is no known exploitation of CVE-2026-4901 in the wild and no public exploit code.

Sources

Also known as GHSA-f43w-3fr5-h2m3.

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