{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.2.0"
              },
              {
                "fixed": "1.2.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "65c174ee95ac6a6fd36b18b63d0b33d97e76b770"
            }
          ],
          "repo": "https://github.com/modeltc/lightllm",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103040.json"
  },
  "details": "LightLLM through 1.2.0 contains a remote code execution vulnerability in the router profiler service when started with --enable_profiling flag. The service exposes an unauthenticated RPyC server with pickle deserialization enabled, allowing attackers to execute arbitrary code by sending crafted serialized objects to the profiler command queue.",
  "id": "CVE-2026-103040",
  "modified": "2026-10-02T03:30:40.253140795Z",
  "published": "2026-09-29T22:51:00.313Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103040.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-103040"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-router-profiler-rpyc-service"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/ModelTC/LightLLM/issues/1597"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ModelTC/LightLLM"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ModelTC/lightllm"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.py#L32-L34"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/router/profiler_service.py#L46-L50"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Router Profiler RPyC Service"
}