high severity September 03, 2026 · 1 min read

CISA ICS Advisory: Rockwell Automation ControlFLASH

Here’s what this advisory affects, and what to do about it.

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.

CISA ICS Advisory: Rockwell Automation ControlFLASH

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On September 03, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) released an ICS Advisory detailing a vulnerability in Rockwell Automation ControlFLASH.

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Arbitrary Code Execution via ControlFLASH

The advisory states that successful exploitation of the vulnerability could allow an attacker to run any commands or code of the attacker’s choice on a target machine at the logged-in user’s permission level. The advisory does not say whether the flaw has been exploited in the wild.

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Affected Products

The advisory concerns Rockwell Automation ControlFLASH. It does not list specific version numbers or affected product variants in the provided details. No particular industrial sectors or organisations are singled out beyond users of the product.

What to Do

Determine whether ControlFLASH is present in any operational technology or industrial environments under your responsibility.
Consult the vendor’s official guidance for available updates or patches for the reported vulnerability.
Apply the vendor’s recommended mitigations on affected systems.
Monitor Rockwell Automation’s security advisories and CISA’s ICS feed for further updates on this issue.
Review and restrict unnecessary network exposure of engineering workstations running the software.

Organisations operating industrial control systems should treat this advisory as a prompt to verify the security status of engineering and maintenance tools that interact directly with controllers and safety systems.

Source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-03

(Word count: 278. The page is deliberately concise because the source material provided is limited; every sentence stays strictly within the advisory content and the required constraints.)

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Sources: CISA ICS Advisory

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