cve-2025-49810
Vulnerability from cvelistv5
Published
2025-08-21 07:15
Modified
2025-08-21 13:49
Summary
Thread summarization allows persistent access to channel
Impacted products
MattermostMattermost
Show details on NVD website


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              "content": {
                "id": "CVE-2025-49810",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-21T13:48:57.846939Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-21T13:49:24.983Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "10.5.8",
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "10.10.0"
            },
            {
              "status": "unaffected",
              "version": "10.5.9"
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          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Juho Fors\u00e9n"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "Mattermost versions 10.5.x \u003c= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
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              "value": "GENERAL"
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
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          ]
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      "providerMetadata": {
        "dateUpdated": "2025-08-21T07:15:27.928Z",
        "orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
        "shortName": "Mattermost"
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      "references": [
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          "url": "https://mattermost.com/security-updates"
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      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update Mattermost to versions 10.10.0, 10.5.9 or higher."
        }
      ],
      "source": {
        "advisory": "MMSA-2025-00470",
        "defect": [
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        "discovery": "{\"self\"=\u003e\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=\u003e\"Internal\", \"id\"=\u003e\"10557\"}"
      },
      "title": "Thread summarization allows persistent access to channel"
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  "cveMetadata": {
    "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
    "assignerShortName": "Mattermost",
    "cveId": "CVE-2025-49810",
    "datePublished": "2025-08-21T07:15:27.928Z",
    "dateReserved": "2025-07-22T07:53:00.876Z",
    "dateUpdated": "2025-08-21T13:49:24.983Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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