{
  "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-2025-2564",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-2564",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-16T16:12:14.742Z",
    "updatedAt": "2025-04-17T19:41:45.158Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "Unauthorized View Access to Archived Channel Member Info",
      "summary": "Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.",
      "affected": [
        {
          "vendor": "Mattermost",
          "product": "Mattermost",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "10.5.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "10.5.1"
            },
            {
              "version": "10.4.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "10.4.3"
            },
            {
              "version": "9.11.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "9.11.9"
            },
            {
              "version": "10.6.0",
              "status": "unaffected"
            },
            {
              "version": "10.5.2",
              "status": "unaffected"
            },
            {
              "version": "10.4.4",
              "status": "unaffected"
            },
            {
              "version": "9.11.10",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  }
}