CVE-2026-21784
Medium
Description
HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.
SeverityMedium
CVSS4.8
Exploit probability—
ProductIEM
PublishedAug 20, 2026
First seenAug 20, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| HCL Software IEM | v1.4.0 | — |
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