CVE-2026-21766 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-532 CWE-522

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132659

FAQ

What is CVE-2026-21766?

CVE-2026-21766 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 in...

How severe is CVE-2026-21766?

CVE-2026-21766 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21766?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.