CVE-2026-8603
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
An unauthenticated OS Command Injection flaw in ScadaBR 1.2.0 enables remote attackers to execute arbitrary system commands as root.
Vulnerability
In ScadaBR version 1.2.0, the /v1/... endpoint improperly neutralizes special elements used in an OS command (CWE-78), allowing an unauthenticated attacker to inject arbitrary commands [1]. This vulnerability is reachable without any prior authentication or user interaction.
Exploitation
An attacker can send crafted HTTP requests containing OS command metacharacters to the vulnerable endpoint. Since authentication is not required for this functionality, no session or credentials are needed. The injected commands are executed with the privileges of the root user [1].
Impact
Successful exploitation grants the attacker the ability to execute arbitrary operating system commands as root on the SCADA system, resulting in complete compromise of the host and potentially disruption of industrial processes [1].
Mitigation
As of the CISA advisory release date (2026-05-19), ScadaBR has not released a patched version for CVE-2026-8603 [1]. Operators of ScadaBR 1.2.0 should isolate the system from untrusted networks, restrict access via firewall rules, and monitor vendor resources for updates. The vulnerability is not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog [1].
AI Insight generated on May 21, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
1- ScadaBRCISA ICS Advisories