Medium severity · published Aug 20, 2026
CVE-2026-21784
HCL IntelliOps Event Management is affected by multiple security vulnerabilities.
4.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IE
IEM · HCL Software
v1.4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21784
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21784
support.hcl-software.com
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132456
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