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CVE-2026-21784

4.8 medium SSVC exploitation: none Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 4.8NVD modified 2026-10-18 20:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1