{
  "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-2026-42809",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-42809",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-04T16:22:48.527Z",
    "updatedAt": "2026-05-04T16:38:51.761Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "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": "Apache Polaris: staged table creation could vend storage credentials for unvalidated locations",
      "summary": "Apache Polaris can issue broad temporary (\"vended\") storage credentials during\nstaged\ntable creation before the effective table location has been validated or\ndurably reserved. \nThose temporary credentials are meant to limit the scope\nof\naccessible table data and metadata, but this scope limitation becomes\nattacker-\ndirected because the attacker can choose a reachable target location.\n\n\n\nIn the confirmed variant, if the caller supplies a custom `location` during\nstage create and requests credential vending, Apache Polaris uses that location to\nconstruct delegated storage credentials immediately. The stage-create path\nitself neither runs the normal location validation nor the overlap checks\nbefore those credentials are issued.\n\n\n\nClosely related to that, the staged-create flow also accepts\n`write.data.path` / `write.metadata.path` in the request properties and\nfeeds\nthose location overrides into the same effective table location set used for\ncredential vending. Those fields are secondary to the main custom-`location`\nexploit, but they are still attacker-influenced location inputs that should\nbe\nvalidated before any credentials are issued.",
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Polaris",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "1.4.1"
            }
          ]
        }
      ]
    }
  }
}