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
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.
References
psirt@hcl.comhttps://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132659
Impacted products
Vendor Product Version
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",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 4.0,
        "source": "psirt@hcl.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-21766",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-06T13:12:38.947645Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-05T20:17:08.627",
  "references": [
    {
      "source": "psirt@hcl.com",
      "url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132659"
    }
  ],
  "sourceIdentifier": "psirt@hcl.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-522"
        },
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ],
      "source": "psirt@hcl.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.