{
  "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-2026-4525",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-4525",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-17T03:00:47.561Z",
    "updatedAt": "2026-07-15T00:52:47.241Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header",
      "summary": "If a Vault auth mount is configured to pass through the \"Authorization\" header, and the \"Authorization\" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.",
      "affected": [
        {
          "vendor": "HashiCorp",
          "product": "Vault",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0.11.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.0.0"
            }
          ]
        },
        {
          "vendor": "HashiCorp",
          "product": "Vault Enterprise",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0.11.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.0.0",
              "changes": [
                {
                  "at": "1.19.16",
                  "status": "unaffected"
                },
                {
                  "at": "1.20.10",
                  "status": "unaffected"
                },
                {
                  "at": "1.21.5",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  }
}