FKIE_CVE-2025-47871

Vulnerability from fkie_nvd - Published: 2025-06-30 17:15 - Updated: 2026-06-17 09:28
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server 10.8.0
mattermost mattermost_server 10.8.0
mattermost mattermost_server 10.8.0
mattermost mattermost_server 10.8.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "10.5.5",
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.11.15",
              "status": "affected",
              "version": "9.11.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "10.8.0"
            },
            {
              "lessThanOrEqual": "10.7.2",
              "status": "affected",
              "version": "10.7.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.6.5",
              "status": "affected",
              "version": "10.6.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "10.9.0"
            },
            {
              "status": "unaffected",
              "version": "10.5.6"
            },
            {
              "status": "unaffected",
              "version": "9.11.16"
            },
            {
              "status": "unaffected",
              "version": "10.8.1"
            },
            {
              "status": "unaffected",
              "version": "10.7.3"
            },
            {
              "status": "unaffected",
              "version": "10.6.6"
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9CEF0379-7E63-452C-8084-067092A25D92",
              "versionEndExcluding": "9.11.16",
              "versionStartIncluding": "9.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "77EE1558-3E63-4178-90EB-DBC8F99B75AB",
              "versionEndExcluding": "10.5.6",
              "versionStartIncluding": "10.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5E1A952E-F96B-4D50-B8FD-7CAFFE73263F",
              "versionEndExcluding": "10.6.6",
              "versionStartIncluding": "10.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "28D55588-A52A-4ADD-AC90-A46BED4555A1",
              "versionEndExcluding": "10.7.3",
              "versionStartIncluding": "10.7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "20DB174F-F76D-49F1-BB44-638A5FA71CDA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "51CA3B67-FE72-49C2-97EA-D7D86F3991EE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "8C4DBC6F-061B-4844-9E80-596D4890DA2A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:10.8.0:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "AA2C469A-7A94-4C55-9738-21C16B8C0817",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.5.x \u003c= 10.5.5, 9.11.x \u003c= 9.11.15, 10.8.x \u003c= 10.8.0, 10.7.x \u003c= 10.7.2, 10.6.x \u003c= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.5.x \u0026lt;= 10.5.5, 9.11.x \u0026lt;= 9.11.15, 10.8.x \u0026lt;= 10.8.0, 10.7.x \u0026lt;= 10.7.2, 10.6.x \u0026lt;= 10.6.5 no pueden validar correctamente la membres\u00eda del canal al recuperar metadatos de ejecuci\u00f3n del libro de estrategias, lo que permite que los usuarios autenticados que son miembros del libro de estrategias pero no miembros del canal accedan a informaci\u00f3n confidencial sobre canales privados vinculados, incluido el nombre del canal, el nombre para mostrar y el n\u00famero de participantes a trav\u00e9s del endpoint de la API de metadatos de ejecuci\u00f3n."
    }
  ],
  "id": "CVE-2025-47871",
  "lastModified": "2026-06-17T09:28:47.160",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-47871",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-30T20:48:35.741148Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-30T17:15:32.777",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.