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CVE-2026-4901

MEDIUMCVSS 6.5/10EPSS 0.26%

Last modified

CVE-2026-4901 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
6.5/10

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

CVSS 4.0
6.9/10

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

EPSS Probability
0.26%

17.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Hydrosystem.PoznanControl System< 9.8.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-4901?
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
How severe is CVE-2026-4901?
CVE-2026-4901 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4901?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST