Xiaozhi-esp32-server-java through 6.1.0 Authentication Bypass via OTA Endpoint Token Issuance

{
  "id": "de1e318d356e8cf48219b3fc5d568887d062cd5d2138a3cc852872d4bf9525af",
  "url": "https://osv.dev/vulnerability/CVE-2026-111623",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Xiaozhi-esp32-server-java through 6.1.0 Authentication Bypass via OTA Endpoint Token Issuance",
    "summary": "Xiaozhi-esp32-server-java through 6.1.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid device WebSocket tokens by requesting /api/device/ota with any MAC address. Attackers can open a victim device's WebSocket channel to read private role system prompts, write conversation history, consume LLM/STT/TTS credentials, and overwrite device metadata.",
    "evidence": "osv:CVE-2026-111623",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-111623",
      "aliases": [
        "CVE-2026-111623"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/joey-zhou/xiaozhi-esp32-server-java",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "90d24e49d09dda19865b134c387cc1bfd30f9a10"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "32-server-java"
                      },
                      {
                        "last_affected": "6.1.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.1.0",
            "v5.1.0",
            "v5.0.0",
            "v4.1.0",
            "v4.0.0",
            "v3.0.0",
            "v2.8.18",
            "v2.8.17",
            "v2.8.14",
            "v2.8.13",
            "v2.8.12",
            "v2.8.11",
            "v2.8.10",
            "v2.8.9",
            "v2.8.7",
            "v2.8.5",
            "v2.8.4",
            "v2.8.3",
            "v2.8.2",
            "v2.8.1",
            "v2.8.0",
            "v2.7.65",
            "v2.7.64",
            "v2.7.62",
            "v2.7.61",
            "v2.7.60",
            "v2.7.57"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111623.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.198286655Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111623.json",
        "https://hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111623",
        "https://www.vulncheck.com/advisories/xiaozhi-esp32-server-java-through-6.1.0-authentication-bypass-via-ota-endpoint-token-issuance",
        "https://github.com/joey-zhou/xiaozhi-esp32-server-java",
        "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-common/src/main/java/com/xiaozhi/communication/auth/DeviceAuthService.java#L76-L81",
        "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/main/java/com/xiaozhi/device/DeviceAppService.java#L298-L346",
        "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/main/java/com/xiaozhi/device/DeviceController.java#L142-L153"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-290"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111623.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111623",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504497,
  "published_at": "2026-10-16T17:38:59.425+00:00"
}