{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-21619",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-21619",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-02-27T17:57:11.513Z",
    "updatedAt": "2026-05-27T15:40:33.166Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Unsafe Deserialization of Erlang Terms in hex_core",
      "summary": "Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation. This vulnerability is associated with program files src/hex_api.erl, src/mix_hex_api.erl, apps/rebar/src/vendored/r3_hex_api.erl and program routines hex_core:request/4, mix_hex_api:request/4, r3_hex_api:request/4.\n\nThis issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0.",
      "affected": [
        {
          "vendor": "hexpm",
          "product": "hex_core",
          "packageName": "hexpm/hex_core",
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "eb327f8edfe45507351e38cc0805aa12fa647f0b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cdf726095bca85ad2549d146df1e831ae93c2b13"
            }
          ]
        },
        {
          "vendor": "hexpm",
          "product": "hex_core",
          "packageName": "hex_core",
          "collectionURL": "https://repo.hex.pm",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0.1.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "0.12.1"
            }
          ]
        },
        {
          "vendor": "hexpm",
          "product": "hex",
          "packageName": "hexpm/hex",
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "314546ac432229518714cc8e3336e916b9da6305",
              "status": "affected",
              "versionType": "git",
              "lessThan": "636739f3322514e9303ca335fb630696fcbb3c95"
            }
          ]
        },
        {
          "vendor": "hexpm",
          "product": "hex",
          "packageName": "hex",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2.3.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.3.2"
            }
          ]
        },
        {
          "vendor": "erlang",
          "product": "rebar3",
          "packageName": "erlang/rebar3",
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "209c02ec57c2cc3207ee0174c3af3675b8dc8f79",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1d4478f527e373de0b225951e53115450e0d9b9d"
            }
          ]
        },
        {
          "vendor": "erlang",
          "product": "rebar3",
          "packageName": "rebar3",
          "collectionURL": "https://github.com",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3.9.1",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.27.0"
            }
          ]
        }
      ]
    }
  }
}