FKIE_CVE-2026-0997

Vulnerability from fkie_nvd - Published: 2026-02-16 10:16 - Updated: 2026-02-18 20:23
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost_server *
mattermost mattermost_server *
mattermost mattermost_server *
mattermost zoom *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "92B0F8BD-06A1-4B39-95C5-4FB5A195F1C4",
              "versionEndExcluding": "10.11.10",
              "versionStartIncluding": "10.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F28AD5DC-E336-4DD3-BC31-AC924190433C",
              "versionEndExcluding": "11.1.3",
              "versionStartIncluding": "11.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D98EAFB2-8055-4893-835B-30A99ED97892",
              "versionEndExcluding": "11.2.2",
              "versionStartIncluding": "11.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:zoom:*:*:*:*:*:mattermost:*:*",
              "matchCriteriaId": "795B314D-69ED-4BB3-9F72-C9441FFA3852",
              "versionEndIncluding": "1.11.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 11.1.x \u003c= 11.1.2, 10.11.x \u003c= 10.11.9, 11.2.x \u003c= 11.2.1 and Mattermost Plugin Zoom versions \u003c=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558"
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 11.1.x \u0026lt;= 11.1.2, 10.11.x \u0026lt;= 10.11.9, 11.2.x \u0026lt;= 11.2.1 y las versiones del plugin de Mattermost Zoom \u0026lt;=1.11.0 no validan al usuario autenticado al procesar {{/plugins/zoom/api/v1/channel-preference}}, lo que permite a cualquier usuario con sesi\u00f3n iniciada cambiar las restricciones de las reuniones de Zoom para canales arbitrarios a trav\u00e9s de solicitudes de API manipuladas. ID de aviso de Mattermost: MMSA-2025-00558."
    }
  ],
  "id": "CVE-2026-0997",
  "lastModified": "2026-02-18T20:23:34.847",
  "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"
      }
    ]
  },
  "published": "2026-02-16T10:16:07.793",
  "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"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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