{
  "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-2026-65645",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-65645",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-21T02:53:43.305Z",
    "updatedAt": "2026-08-27T17:46:35.706Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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": null,
      "summary": "Rocket.Chat in versions before 8.8.0, 8.7.1, 8.6.2, 8.5.3, 8.4.6. 8.3.8, 8.2.8, 8.1.8, and 7.10.15, the Meteor DDP methods getThreadsList and getThreadMessages accept rid / tmid as raw, untyped parameters with no schema validation. A MongoDB operator object (e.g. {\"$gt\": \"4\"}) can be substituted for a string room-id or message-id. The authorization check resolves to a room the attacker already has access to, while the downstream data query fans out across all rooms - disclosing private thread parents and their full reply content to any low-privilege authenticated user.\nThe REST route chat.getThreadsList was patched in v5.0 (HackerOne report #1446767) by adding rid: {type:'string'} AJV validation. The equivalent DDP method was never given the same fix and remains exploitable",
      "affected": [
        {
          "vendor": "Rocket.Chat",
          "product": "Rocket.Chat",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.8.0"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.7.1"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.6.2"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.5.3"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.4.6"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.3.8"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.2.8"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "8.1.8"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "7.10.15"
            }
          ]
        }
      ]
    }
  }
}