Vulnerability · Published Aug 20, 2026 · Assigned by HCL
CVE-2026-21784HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
Medium 4.8
In plain English
A medium-severity information exposure in IEM from HCL Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.2%top 84.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HCL Software | IEM | v1.4.0 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N