AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server

{
  "id": "677c0231b38c903ec375b7e834fca33a4a4dbc127626d9b795eefecccea097ce",
  "url": "https://osv.dev/vulnerability/CVE-2026-86124",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "AutoAgent Unauthenticated Remote Code Execution via the Sandbox TCP Command Server",
    "summary": "AutoAgent contains an unauthenticated remote code execution vulnerability in the TCP server that binds to all interfaces and executes attacker-supplied commands as root. Attackers can connect to the exposed communication port and execute arbitrary bash commands within the container, gaining access to bind-mounted host workspace directories.",
    "evidence": "osv:CVE-2026-86124",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-86124",
      "aliases": [
        "CVE-2026-86124"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/HKUDS/AutoAgent",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "16c12b052ef2330a198063c62a07a7f9723031e3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "16c12b052ef2330a198063c62a07a7f9723031e3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86124.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.983538721Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86124.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-86124",
        "https://www.vulncheck.com/advisories/autoagent-unauthenticated-remote-code-execution-via-the-sandbox-tcp-command-server",
        "https://github.com/HKUDS/AutoAgent/issues/96",
        "https://github.com/HKUDS/AutoAgent",
        "https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/docker_env.py",
        "https://github.com/HKUDS/AutoAgent/blob/16c12b052ef2330a198063c62a07a7f9723031e3/autoagent/environment/tcp_server.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-306"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86124.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-86124",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495785,
  "published_at": "2026-09-05T09:59:12.062+00:00"
}