Vulnerability · Published Feb 24, 2026 · Assigned by icscert
CVE-2026-22553InSAT MasterSCADA BUK-TS OS Command Injection
Critical 9.8
In plain English
A critical-severity OS command injection in MasterSCADA BUK-TS from InSAT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 23.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| InSAT | MasterSCADA BUK-TS | All versions |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H