CVE-2026-21766
HCL Digital Experience and Digital Experience Compose insufficiently protects credentials
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
HCL Digital Experience and Digital Experience Compose insufficiently protects credentials
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.
- Record
CVE-2026-21766- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-522, CWE-532
- Updated
- 2026-11-02
EUVDEUVD-2026-53610
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.
- Record
EUVD-2026-53610- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vjj9-w76c-7q84
The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently...
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.
- Record
GHSA-vjj9-w76c-7q84- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-21766- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-522, CWE-532
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21766 is a medium vulnerability (CVSS 5.4) in Hclsoftware Hcl Digital Experience And Digital Experience Compose, published August 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.