{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ff8059163e09ede433003b1ed2822061c41239fe"
            }
          ],
          "repo": "https://github.com/microsoft/simplechat",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-g6gr-xp46-hrmj"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-306",
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57206.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "0.241.206"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "SimpleChat is a secure AI conversation application with personal and group workspaces for document-grounded interactions. Prior to 0.241.206, several plugin validation routes in application/single_app/plugin_validation_endpoint.py, including `POST /api/admin/plugins/test-instantiation`, `GET /api/admin/plugins/health-check/\u003cplugin_name\u003e`, `POST /api/admin/plugins/repair/\u003cplugin_name\u003e`, and `POST /api/plugins/validate`, relied on @swagger_route(security=get_auth_security()) documentation without enforcing @login_required, @user_required, or @admin_required at runtime, allowing unauthenticated or unauthorized clients to invoke plugin validation, health, and repair behavior. This issue is fixed in version 0.241.206.",
  "id": "CVE-2026-57206",
  "modified": "2026-07-18T03:41:51.655761101Z",
  "published": "2026-07-16T15:17:05.558Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/simplechat/blob/main/docs/explanation/fixes/PLUGIN_VALIDATION_ROUTE_AUTH_FIX.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/simplechat/releases/tag/v0.250.001"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57206.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/microsoft/simplechat/security/advisories/GHSA-g6gr-xp46-hrmj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57206"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SimpleChat plugin validation endpoints missing authentication and authorization"
}