Vulnerability · Published Sep 1, 2026 · Assigned by Rockwell
CVE-2026-19472Rockwell Automation ArmorStart® LT Denial Of Service
High 8.7
In plain English
A high-severity resource allocation without limits in ArmorStart® LT 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 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.5%top 56.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A denial-of-service security issue exists within ArmorStart® LT. The security issue stems from improper handling of a crafted HTTP PUT request sent to the embedded web server. This can result in a loss of web server availability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | ArmorStart® LT | v2.001 and below |
Weakness: CWE-770 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N