{
  "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-2026-20139",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-20139",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-02-18T16:45:32.308Z",
    "updatedAt": "2026-02-19T19:28:04.863Z",
    "importedAt": "2026-10-24T01:57:55.771Z",
    "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": "Client-Side Denial of Service (DoS) through ''/splunkd/__raw/services/authentication/users/username'' REST API endpoint in Splunk Enterprise",
      "summary": "In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.8, 9.3.9, and 9.2.12, and Splunk Cloud Platform versions below 10.2.2510.3, 10.1.2507.8, 10.0.2503.9, and 9.3.2411.121, a low-privileged user that does not hold the \"admin\" or \"power\" Splunk roles could craft a malicious payload into the `realname`, `tz`, or `email` parameters of the `/splunkd/__raw/services/authentication/users/username` REST API endpoint when they change a password. This could potentially lead to a client‑side denial‑of‑service (DoS). The malicious payload might significantly slow page load times or render Splunk Web temporarily unresponsive.",
      "affected": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "versions": [
            {
              "version": "10.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.2"
            },
            {
              "version": "9.4",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "9.4.8"
            },
            {
              "version": "9.3",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "9.3.9"
            },
            {
              "version": "9.2",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "9.2.12"
            }
          ]
        },
        {
          "vendor": "Splunk",
          "product": "Splunk Cloud Platform",
          "versions": [
            {
              "version": "10.2.2510",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.2.2510.3"
            },
            {
              "version": "10.1.2507",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.1.2507.8"
            },
            {
              "version": "10.0.2503",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.2503.9"
            },
            {
              "version": "9.3.2411",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "9.3.2411.121"
            }
          ]
        }
      ]
    }
  }
}