# CVE-2026-19471: Rockwell Automation ArmorStart LT stored cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-19471-rockwell-automation-armorstart-lt-stored-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-01. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-19471 · Severity: info · CVSS 7.3 · Published 2026-09-01

Rockwell Automation's ArmorStart LT is a distributed motor controller used in industrial automation systems. The product contains a stored cross-site scripting (XSS) vulnerability that allows an attacker to inject malicious scripts through unsanitized user input. When other users access the affected pages, these scripts execute in their browsers, potentially leading to credential theft, session hijacking, or unauthorized actions within the control system.

Vendors: [Rockwell Automation](https://junglewise.ai/threats/vendors/rockwell-automation).

## Quick answers

**Is CVE-2026-19471 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-19471 being exploited in the wild.

**How severe is CVE-2026-19471?** Informational severity, with a CVSS score of 7.3, published 1 September 2026.

**Which products and versions are affected?** Rockwell Automation ArmorStart LT v2.001 and below.

**Is there a fix for CVE-2026-19471?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-19471 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-19471?** Check whether you run Rockwell Automation ArmorStart LT at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

CVE-2026-19471 is a stored cross-site scripting vulnerability in ArmorStart LT caused by improper sanitization of user input before storage on the server (CWE-79). The vulnerability affects firmware versions v2.001 and below. An attacker with network access to the embedded web interface can inject malicious JavaScript that persists on the server and executes in the browser of any user who subsequently accesses the affected page. The web-based interface is network-reachable, though specific authentication requirements are not detailed. A patch is available in firmware version v2.002.

## Affected products

- Rockwell Automation ArmorStart LT v2.001 and below

## Timeline

- 2026-09-01: disclosed

## References

- [https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1797.html](https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1797.html)

## Related threats

- [Rockwell Automation ArmorStart LT denial of service in HTTP PUT handler](https://junglewise.ai/threats/cve-2026-19472-rockwell-automation-armorstart-lt-denial-of-service-in-http-put)