Critical severity · published May 19, 2026
CVE-2026-8603
Improper neutralization of special elements used in an OS command ('OS command injection') in ScadaBR
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
In ScadaBR version 1.2.0, an OS Command Injection vulnerability could allow an attacker to execute commands as root on the SCADA system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
ScadaBR · ScadaBR
1.2.0 · source: vendor, NVD
In the news
VulnerabilityCritical
ScadaBR
View CSAF
Summary
Successful exploitation of these vulnerabilities could allow an attacker to perform unauthenticated remote code execution.
The following versions of ScadaBR are affected:
ScadaBR 1.2.0 (CVE-2026-8602, CVE-2026-8603, CVE-2026-8604, CVE-2026-8605)
CVSS
Vendor
Equipment
Vulnerabilities
v3 9.1
ScadaBR
ScadaBR
Missing Authentication for Critical Function, Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'), Cross-Site Request Forgery (CSRF), Use of Hard-coded Credentials
Background
Critical Infrastructure Sectors: Critical Manufacturing, Dams, Chemical, Energy, Water and Wastewater
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Brazil
Vulnerabilities
Expand All +
CVE-2026-8602
In ScadaBR version 1.2.0, a Missing Authentication for Critical Function vulnerability could allow an unauthenticated attacker to send a HTTP GET requests to the SCADA system and inject arbitrary sensor readings.
View CVE Details
Affected Products
ScadaBR
Vendor: ScadaBR
Product Version: ScadaBR ScadaBR: 1.2.0
Product Status: known_affected
Remediations
Vendor fix ScadaBR has not responded to requests to work with CISA to mitigate this vulnerability. Users of affected versions of ScadaBR are invited to contact ScadaBR customer support for additional information https://github.com/ScadaBR. https://github.co...
May 19, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8603
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8603
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-26-139-03
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