CVE-2026-22553

InSAT MasterSCADA BUK-TS OS Command Injection

State: Published
Severity: 9.3 Critical
Published: Feb 24, 2026
Updated: Feb 26, 2026
Reserved: Feb 9, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	icscert
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	icscert

Weaknesses

CWE-78

Affected Products

Product	Versions
MasterSCADA BUK-TSInSAT	All versionsAffected

References

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

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