CVE-2026-21766: Hclsoftware Hcl Digital Experience And Digital Experience Compose

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently protects credentials.  Under certain very specific use cases and specific configurations, sensitive information may be written to web server logs.  This only affects applications using the default login portlet.

Affected products

• Hclsoftware Hcl Digital Experience And Digital Experience Compose: version 9.5 only

Published 2026-08-05. Last modified 2026-08-28.