{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Rocket.Chat",
          "vendor": "RocketChat",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 8.5.0-rc.0, \u003c 8.5.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.4.0-rc.0, \u003c 8.4.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.3.0-rc.0, \u003c 8.3.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.2.0-rc.0, \u003c 8.2.4"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.1.0-rc.0, \u003c 8.1.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.0.0-rc.0, \u003c 8.0.6"
            },
            {
              "status": "affected",
              "version": "\u003e= 7.11.0-rc.0, \u003c 7.13.8"
            },
            {
              "status": "affected",
              "version": "\u003c 7.10.12"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, in the visitors.info endpoint, https://developer.rocket.chat/apidocs/get-visitor-information-by-id-1, token is returned in the response. It looks like there\u0027s no use case for the token to be present in the response and it would be a good security practice to remove it altogether. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T21:05:33.587Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2"
        }
      ],
      "source": {
        "advisory": "GHSA-cqj7-h8cj-jmf2",
        "discovery": "UNKNOWN"
      },
      "title": "Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Impersonation"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-49278",
    "datePublished": "2026-06-24T21:05:33.587Z",
    "dateReserved": "2026-05-28T20:07:58.861Z",
    "dateUpdated": "2026-06-24T21:05:33.587Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-49278",
      "date": "2026-06-14",
      "epss": "0.00046",
      "percentile": "0.1477"
    }
  }
}