Advisories › Rockwell Automation › ICSA-26-246-03

Rockwell Automation ControlFLASH: 1 CVE, High 7.3

High 7.3 Oil & gas relevant ICSA-26-246-03 · Published Sep 3, 2026

Summary

CISA reports 1 vulnerability in Rockwell Automation ControlFLASH. Weakness type: Missing Authentication for Critical Function. Successful exploitation of this vulnerability could give an attacker 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. Highest CVSS v3 score: 7.3 (High), not remotely exploitable per its CVSS vector.

What to do: Prioritize: Rockwell Automation has corrected this issue in software version 15.08, and encourages all users to update to the newest version.
Why this matters for oil & gas: Rockwell Automation (ControlLogix, FactoryTalk, PlantPAx) is common on facilities and compressor stations.

At a glance

Vendor
Rockwell Automation
Products
ControlFLASH
CVEs
CVE-2026-12663
Highest CVSS v3
7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Highest CVSS v4
–
Known exploited (KEV)
No CVE from this advisory is on the KEV list as of the last refresh
Sectors (per CISA)
Critical Manufacturing, Energy, Water and Wastewater
Deployed
Worldwide
Vendor HQ
United States

Vulnerabilities

CVEWeaknessCVSS v3CVSS v4KEVDescription (from advisory)
CVE-2026-12663Missing Authentication for Critical Function7.3–NoA 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 (1)

Vendor fixes and mitigations (from advisory)

Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.

Sources

This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.

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