Vulnerability · Published Sep 1, 2026 · Assigned by Rockwell
CVE-2026-12663ControlFLASH ® – Improper Access Control
High 7.0
In plain English
A high-severity missing authentication in ControlFLASH ® from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Official description
A security issue exists within ControlFLASH™, where the installer grants write permissions to the "Everyone" group on a product installation directory. This could allow arbitrary code execution, resulting in an attacker being given the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | ControlFLASH ® | V15.07 and prior |
Weakness: CWE-306 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N