{
  "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-2026-19600",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-19600",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-16T07:07:17.899Z",
    "updatedAt": "2026-10-16T12:02:51.761Z",
    "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": "Mattermost logs plaintext authentication tokens in debug-level server logs on failed auth attempts",
      "summary": "Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to sanitize authentication tokens before writing them to server log entries, which allows an attacker with access to server logs to obtain valid session tokens or OAuth access tokens and impersonate authenticated users via the debug-level Mattermost server log.. Mattermost Advisory ID: MMSA-2026-00763",
      "affected": [
        {
          "vendor": "Mattermost",
          "product": "Mattermost",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "11.9.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.9.1"
            },
            {
              "version": "11.8.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.8.5"
            },
            {
              "version": "11.7.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.7.10"
            },
            {
              "version": "11.10.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.10.1"
            },
            {
              "version": "11.11.0",
              "status": "unaffected"
            },
            {
              "version": "11.9.2",
              "status": "unaffected"
            },
            {
              "version": "11.8.6",
              "status": "unaffected"
            },
            {
              "version": "11.7.11",
              "status": "unaffected"
            },
            {
              "version": "11.10.2",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  }
}