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    1 vulnerability found for Microsoft Identity Client for NodeJS by Microsoft

    CVE-2026-109461 (GCVE-0-2026-109461)

    Vulnerability from nvd – Published: 2026-10-16 17:11 – Updated: 2026-10-16 23:27
    VLAI
    Title
    Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability
    Summary
    Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
    CWE
    • CWE-346 - Origin Validation Error
    Assigner
    microsoft CNA under the mitre root
    CNA scorecard B 82/100 over 3957 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Identity Client for NodeJS Affected: 5.0.0 , < 7.1.0 (custom)
        cpe:2.3:a:microsoft:microsoft_identity_client_for_nodejs:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Date Public
    2026-10-15 14:00
    Show details on NVD website
    To clipboard 

    {
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      "affected": [
        {
          "platforms": [
            "Windows 10 Version 22H2 for x64-based Systems"
          ],
          "product": "Microsoft Identity Client for NodeJS",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "5.0.0",
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                  "criteria": "cpe:2.3:a:microsoft:microsoft_identity_client_for_nodejs:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.0",
                  "versionStartIncluding": "5.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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      ],
      "datePublic": "2026-10-15T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-346",
              "description": "CWE-346: Origin Validation Error",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-16T23:27:20.706Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109461"
        }
      ],
      "title": "Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability"
    }
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  "cveMetadata": {
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    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-109461",
    "datePublished": "2026-10-16T17:11:24.532Z",
    "dateReserved": "2026-10-12T17:01:11.370Z",
    "dateUpdated": "2026-10-16T23:27:20.706Z",
    "state": "PUBLISHED"
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