CVE-2026-8603 Improper neutralization of special elements used in an OS command ('OS command injection') in ScadaBR
Attackers can execute arbitrary OS commands as root on ScadaBR SCADA systems, potentially compromising industrial control operations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8603?
CVE-2026-8603 is a high-severity command injection vulnerability in ScadaBR, published on 19 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-8603?
It affects 1 product.
Products include Scadabr Scadabr.
How do I fix CVE-2026-8603?
No fix has been published for CVE-2026-8603 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-8603 being exploited?
There is no known exploitation of CVE-2026-8603 in the wild and no public exploit code.
Other vulnerabilities in ScadaBR
- CVE-2021-26828 OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type
- CVE-2021-26829 OpenPLC ScadaBR Cross-site Scripting
- CVE-2026-9645 ScadaBR Authenticated Remote Code Execution
- CVE-2026-8602 Missing authentication for critical function in ScadaBR
- CVE-2026-8604 Cross-Site request forgery (CSRF) in ScadaBR
Sources
Also known as GHSA-mj8w-xgc5-j265.