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Back to active CVEs
High · CVSS 8.7CVE-2026-19472

Rockwell Automation ArmorStart® LT Denial Of ServiceCVE-2026-19472

Answer in brief

CVE-2026-19472 records a High severity (CVSS 8.7) vulnerability in Rockwell Automation ArmorStart® LT Denial Of Service. The current sources do not mark it as known exploited. The current feed maps Rockwell Automation/ArmorStart® LT (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 1, 2026Updated Sep 1, 2026Source checked Oct 17, 2026First seen by HOL Sep 1, 2026Material review Sep 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Rockwell Automation/ArmorStart® LT (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Rockwell Automation/ArmorStart® LTgenericv2.001 and belowNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Rockwell Automation/ArmorStart® LT.
  2. 2Review the reported fix. Source-reported solution: Upgrade to version   v2.002 https://compatibility.rockwellautomation.com/Pages/Downloads.aspx  or later.

Evidence timeline and material changes

  1. Published upstream

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 1, 2026

Sources and claim methodology

  • Source referencerockwellautomation.com
Upstream source 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

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Text::CSV_XS versions before 1.65 for Perl allow memory exhaustion by allocating one entry per index of an RFC 7111 selector in fragmentAlso CWE-770
  • ZoneMinder: Authenticated OS Command Injection (RCE) via Export FeatureSame generic ecosystem
  • ZoneMinder: Authenticated OS Command Injection via unsanitized Monitor Name in event export (download_functions.php)Same generic ecosystem
  • JavaCV: Integer Overflow in IPCameraFrameGrabber Causes Infinite-Loop DoSSame generic ecosystem
  • LoopX serve-status permissive CORS policy exposes control-plane state and private Markdown filesSame generic ecosystem
  • ERPNext: Unauthorised access to financial data due to missing validationSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Oct 17, 2026
References
1 linked source
Open source record