CVE-2026-21766: HCL Digital Experience and Digital Experience Compose insufficiently protects credentials

Published Aug 5, 2026

Updated

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 Software

2 affected components

HCL HCL Digital Experience

HCL HCL Digital Experience Compose

Event History

Aug 5, 2026

CVE Published

via MITRE·08:11 PM

Data Sourced

via MITRE·08:11 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-21766?

The severity of CVE-2026-21766 is medium with a score of 5.4.

How do I fix CVE-2026-21766?

To fix CVE-2026-21766, ensure proper logging configurations are applied to prevent sensitive information from being written to web server logs.

What does CVE-2026-21766 affect?

CVE-2026-21766 affects HCL Digital Experience and HCL Digital Experience Compose applications using the default login portlet.

What type of information is exposed in CVE-2026-21766?

CVE-2026-21766 can expose sensitive information, including credentials, in web server logs under specific configurations.

Is CVE-2026-21766 critical for all users of HCL Digital Experience?

CVE-2026-21766 is not critical for all users, as its impact depends on specific use cases and configurations.

CVE-2026-21766: HCL Digital Experience and Digital Experience Compose insufficiently protects credentials

Affected Software

Event History

Don't miss critical vulnerabilities

Frequently Asked Questions

What is the severity of CVE-2026-21766?

How do I fix CVE-2026-21766?

What does CVE-2026-21766 affect?

What type of information is exposed in CVE-2026-21766?

Is CVE-2026-21766 critical for all users of HCL Digital Experience?

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Frequently Asked Questions

What is the severity of CVE-2026-21766?

How do I fix CVE-2026-21766?

What does CVE-2026-21766 affect?

What type of information is exposed in CVE-2026-21766?

Is CVE-2026-21766 critical for all users of HCL Digital Experience?