CVE-2026-72918 (GCVE-0-2026-72918)
Vulnerability from cvelistv5
Published
2026-08-10 21:42
Modified
2026-08-11 16:04
CWE
Summary
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the stream-notify-user stream in the WebSocket protocol allows an authenticated user to write arbitrary notification bodies because the sender is not checked, and the client-side UI can create an ephemeral fake message in another user's currently open chat. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1.
Impacted products
Vendor Product Version
RocketChat Rocket.Chat Version: < 7.10.14
Version: >= 8.0.0, < 8.0.8
Version: >= 8.1.0, < 8.1.7
Version: >= 8.2.0, < 8.2.7
Version: >= 8.3.0, < 8.3.7
Version: >= 8.4.0, < 8.4.5
Version: >= 8.5.0, < 8.5.2
Version: >= 8.6.0, < 8.6.1
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-72918",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-11T16:04:20.390453Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-11T16:04:45.242Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Rocket.Chat",
          "vendor": "RocketChat",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 7.10.14"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.0.0, \u003c 8.0.8"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.1.0, \u003c 8.1.7"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.2.0, \u003c 8.2.7"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.3.0, \u003c 8.3.7"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.4.0, \u003c 8.4.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.5.0, \u003c 8.5.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 8.6.0, \u003c 8.6.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the stream-notify-user stream in the WebSocket protocol allows an authenticated user to write arbitrary notification bodies because the sender is not checked, and the client-side UI can create an ephemeral fake message in another user\u0027s currently open chat. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-10T21:42:36.707Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j"
        }
      ],
      "source": {
        "advisory": "GHSA-27jx-236m-3f5j",
        "discovery": "UNKNOWN"
      },
      "title": "Rocket.Chat: Insecure implementation of websocket notifications"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-72918",
    "datePublished": "2026-08-10T21:42:36.707Z",
    "dateReserved": "2026-08-10T17:57:26.144Z",
    "dateUpdated": "2026-08-11T16:04:45.242Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-72918\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-11T16:04:20.390453Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-11T16:04:38.406Z\"}}], \"cna\": {\"title\": \"Rocket.Chat: Insecure implementation of websocket notifications\", \"source\": {\"advisory\": \"GHSA-27jx-236m-3f5j\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}], \"affected\": [{\"vendor\": \"RocketChat\", \"product\": \"Rocket.Chat\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 7.10.14\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.0.0, \u003c 8.0.8\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.1.0, \u003c 8.1.7\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.2.0, \u003c 8.2.7\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.3.0, \u003c 8.3.7\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.4.0, \u003c 8.4.5\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.5.0, \u003c 8.5.2\"}, {\"status\": \"affected\", \"version\": \"\u003e= 8.6.0, \u003c 8.6.1\"}]}], \"references\": [{\"url\": \"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j\", \"name\": \"https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-27jx-236m-3f5j\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the stream-notify-user stream in the WebSocket protocol allows an authenticated user to write arbitrary notification bodies because the sender is not checked, and the client-side UI can create an ephemeral fake message in another user\u0027s currently open chat. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"CWE-862: Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-08-10T21:42:36.707Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-72918\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-11T16:04:45.242Z\", \"dateReserved\": \"2026-08-10T17:57:26.144Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-08-10T21:42:36.707Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…