CVE-2026-22553 CRITICAL

CVE-2026-22553: InSAT MasterSCADA BUK-TS OS Command Injection

Vendor Insat
Product MasterSCADA BUK-TS
Weakness CWE-78
Published February 24, 2026
Last update February 26, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 24, 2026 CVE published
February 26, 2026 Record updated