CVE-2026-9307
Medium
Description
A sensitive information disclosure security issue exists within the affected CompactLogix controllers. The controller's web server exposes CIP Connection IDs on the diagnostics webpage, which are accessible to any unauthenticated user on the network. This information can be leveraged by an attacker to construct malicious packets, leading to Denial-of-Service.
SeverityMedium
CVSS6.3
Exploit probability—
ProductCompactLogix 5370
PublishedJun 16, 2026
First seenJun 16, 2026
Weakness typeCWE-497CWE-497
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rockwell Automation CompactLogix 5370 | V36 | — |
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