{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21618",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-20T16:16:45.709727Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-01-20T16:16:57.225Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com",
          "cpes": [
            "cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "\u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027"
          ],
          "packageName": "hexpm/hexpm",
          "packageURL": "pkg:github/hexpm/hexpm",
          "product": "hexpm",
          "programFiles": [
            "lib/hexpm_web/views/shared_authorization_view.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027:render_grouped_scopes/3"
            }
          ],
          "repo": "https://github.com/hexpm/hexpm.git",
          "vendor": "hexpm",
          "versions": [
            {
              "lessThan": "c692438684ead90c3bcbfb9ccf4e63c768c668a8",
              "status": "affected",
              "version": "617e44c71f1dd9043870205f371d375c5c4d886d",
              "versionType": "git"
            },
            {
              "lessThan": "pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8",
              "status": "affected",
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              "versionType": "purl"
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        {
          "defaultStatus": "unaffected",
          "product": "hex.pm",
          "vendor": "hexpm",
          "versions": [
            {
              "lessThan": "2026-01-19",
              "status": "affected",
              "version": "2025-10-01",
              "versionType": "date"
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          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "c692438684ead90c3bcbfb9ccf4e63c768c668a8",
                  "versionStartIncluding": "617e44c71f1dd9043870205f371d375c5c4d886d",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "AND"
            }
          ],
          "operator": "AND"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Joud Zakharia / zentrust partners GmbH"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Jonatan M\u00e4nnchen / EEF"
        },
        {
          "lang": "en",
          "type": "remediation reviewer",
          "value": "Eric Meadows-J\u00f6nsson / Hex.pm"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027) vulnerability in hexpm hexpm/hexpm (\u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027 modules) allows Cross-Site Scripting (XSS).\u003cp\u003e This vulnerability is associated with program files \u003ctt\u003elib/hexpm_web/views/shared_authorization_view.ex\u003c/tt\u003e and program routines \u003ctt\u003e\u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027:render_grouped_scopes/3\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects hexpm: from 617e44c71f1dd9043870205f371d375c5c4d886d before c692438684ead90c3bcbfb9ccf4e63c768c668a8, from pkg:github/hexpm/hexpm@617e44c71f1dd9043870205f371d375c5c4d886d before pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: from 2025-10-01 before 2026-01-19.\u003c/p\u003e"
            }
          ],
          "value": "Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027) vulnerability in hexpm hexpm/hexpm (\u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027 modules) allows Cross-Site Scripting (XSS). This vulnerability is associated with program files lib/hexpm_web/views/shared_authorization_view.ex and program routines \u0027Elixir.HexpmWeb.SharedAuthorizationView\u0027:render_grouped_scopes/3.\n\nThis issue affects hexpm: from 617e44c71f1dd9043870205f371d375c5c4d886d before c692438684ead90c3bcbfb9ccf4e63c768c668a8, from pkg:github/hexpm/hexpm@617e44c71f1dd9043870205f371d375c5c4d886d before pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: from 2025-10-01 before 2026-01-19."
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      ],
      "impacts": [
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          "capecId": "CAPEC-63",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-63 Cross-Site Scripting (XSS)"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or \u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-21T03:45:42.733Z",
        "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "shortName": "EEF"
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      "references": [
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          "tags": [
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          "url": "https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Cross-site scripting (XSS) in OAuth Device Authorization screen",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "assignerShortName": "EEF",
    "cveId": "CVE-2026-21618",
    "datePublished": "2026-01-19T14:22:46.770Z",
    "dateReserved": "2026-01-01T03:46:45.933Z",
    "dateUpdated": "2026-01-21T03:45:42.733Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}