CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.6.1",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.5.4",
        "status": "affected",
        "version": "11.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.15",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.16",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.7.0",
        "status": "unaffected"
      },
      {
        "version": "11.6.2",
        "status": "unaffected"
      },
      {
        "version": "11.5.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.16",
        "status": "unaffected"
      },
      {
        "version": "10.11.17",
        "status": "unaffected"
      }
    ]
  }
]