Vulnerability-Lookup

CVE-2026-21766 (GCVE-0-2026-21766)

Vulnerability from cvelistv5 – Published: 2026-08-05 20:11 – Updated: 2026-08-06 13:12

Title

HCL Digital Experience and Digital Experience Compose insufficiently protects credentials

Summary

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.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-06 13:12 UTC

CWE

CWE-522 - Insufficiently Protected Credentials
CWE-532 - Insertion of sensitive information into log file

Assigner

HCL

References

1 reference

URL	Tags
https://support.hcl-software.com/csm?id=kb_articl…

Impacted products

1 product

Vendor	Product	Version	CPE status
HCLSoftware	HCL Digital Experience and Digital Experience Compose	Affected: 9.5	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-21766

Vulnerability from fkie_nvd - Published: 2026-08-05 20:17 - Updated: 2026-08-06 14:16

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N

Summary

References

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

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "HCL Digital Experience and Digital Experience Compose",
          "vendor": "HCLSoftware",
          "versions": [
            {
              "status": "affected",
              "version": "9.5"
            }
          ]
        }
      ],
      "source": "psirt@hcl.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently protects credentials. \u00a0Under certain very specific use cases and specific configurations, sensitive information may be written to web server logs.\u00a0 This only affects applications using the default login portlet."
    }
  ],
  "id": "CVE-2026-21766",
  "lastModified": "2026-08-06T14:16:36.407",
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          "version": "3.1"
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        "impactScore": 4.0,
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GHSA-VJJ9-W76C-7Q84

Vulnerability from github – Published: 2026-08-05 21:31 – Updated: 2026-08-05 21:31

Details

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-21766"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-522"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-05T20:17:08Z",
    "severity": "MODERATE"
  },
  "details": "The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently protects credentials. \u00a0Under certain very specific use cases and specific configurations, sensitive information may be written to web server logs.\u00a0 This only affects applications using the default login portlet.",
  "id": "GHSA-vjj9-w76c-7q84",
  "modified": "2026-08-05T21:31:39Z",
  "published": "2026-08-05T21:31:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21766"
    },
    {
      "type": "WEB",
      "url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132659"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-21766 (GCVE-0-2026-21766)

FKIE_CVE-2026-21766

GHSA-VJJ9-W76C-7Q84

Tags

Sightings

Nomenclature