Is CVE-2026-21766 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-21766?

CVE-2026-21766 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-21766

Description

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.