CVE-2026-9597 Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.7.2",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.6.4",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "version": "11.8.0",
        "status": "unaffected"
      },
      {
        "version": "11.7.3",
        "status": "unaffected"
      },
      {
        "version": "11.6.5",
        "status": "unaffected"
      }
    ]
  }
]