What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-24 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• InSAT MasterSCADA BUK-TS: all versions

References

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

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