CVE-2026-42280

{
  "id": "CVE-2026-42280",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-27T15:16:27.753",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. This vulnerability is fixed in 10.0.0."
    },
    {
      "lang": "es",
      "value": "Auth0.js es una biblioteca JavaScript del lado del cliente para Auth0. Desde la versión 8.11.0 hasta la 9.32.0, bajo precondiciones específicas, el SDK de Auth0.js puede devolver incorrectamente información de perfil de usuario utilizando un token de acceso válido cuando se proporciona un token de ID no válido específicamente diseñado. Esta vulnerabilidad se corrige en la versión 10.0.0."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "auth0",
          "product": "auth0.js",
          "versions": [
            {
              "version": ">= 8.11.0 , <= 9.32.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-28T15:36:47.306227Z",
          "id": "CVE-2026-42280",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:auth0:auth0.js:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "8.11.0",
              "versionEndExcluding": "10.0.0",
              "matchCriteriaId": "F16E19EA-BB12-42DA-96ED-602A8FC930C0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}