CVE-2026-22553

CRITICAL 9.8

InSAT MasterSCADA BUK-TS OS Command Injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

All versions of InSAT MasterSCADA BUK-TS are susceptible to OS command injection through a field in its MMadmServ web interface. Malicious users that use the vulnerable endpoint are potentially able to cause remote code execution.

CWE	CWE-78
Vendor	insat
Product	masterscada buk-ts
Published	Feb 24, 2026
Last Updated	Feb 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

InSAT / MasterSCADA BUK-TS

All versions

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-01 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json

Credits

Adem El Adeb reported these vulnerabilities to CISA.