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MEDIUM

CVE-2026-21766

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.

Published Updated Sources: cvelistV5, HCL

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

hclsoftware

hcl_digital_experience_and_digital_experience_compose

CVSS base

5.4

MEDIUM

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

None

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

hclsoftware

Products (1)

hcl digital experience and digital experience compose

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
5.4CVSS 3.1MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-522
  • CWE-532

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1552.004Unsecured Credentials: Private Keys
  • T1558.003Steal or Forge Kerberos Tickets: Kerberoasting
  • T1543Create or Modify System Process

References

1 on the record

Elsewhere on this site

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.