ghsa-3q4q-wqm6-hvf3
Vulnerability from github
Published
2025-10-16 09:30
Modified
2025-10-16 21:00
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost has a Missing Authorization vulnerability
Details

Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0-20250822083415-01b95392a450"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.10.0"
            },
            {
              "fixed": "10.10.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.5.0"
            },
            {
              "fixed": "10.5.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.11.0"
            },
            {
              "fixed": "10.11.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-41410"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-16T21:00:44Z",
    "nvd_published_at": "2025-10-16T09:15:33Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost versions 10.10.x \u003c= 10.10.2, 10.5.x \u003c= 10.5.10, 10.11.x \u003c= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions.",
  "id": "GHSA-3q4q-wqm6-hvf3",
  "modified": "2025-10-16T21:00:44Z",
  "published": "2025-10-16T09:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-41410"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/01b95392a450676407475596d1c041a047067329"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/0d6e8fa2e4681a172a136db18001104a57f9c28e"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/ef896a4ea60cacbe03124106e1f42e5c25276427"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost has a Missing Authorization vulnerability"
}


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