{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-51856", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-30T20:51:34.594Z", "dateReserved": "2026-06-08T00:00:00.000Z", "datePublished": "2026-09-30T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-30T20:51:34.594Z"}, "descriptions": [{"lang": "en", "value": "In agentscope 1.0.18, 1.0.19, and 1.0.19 when the RealtimeAgent session exposes execute_python_code as an available tool, a remote WebSocket user can prompt the agent to call that tool and run Python code in the service environment. In the validated path, RealtimeAgent._acting forwards the model-produced tool call to Toolkit.call_tool_function, which invokes execute_python_code without an additional approval or isolation boundary on that path."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/agentscope-ai/agentscope/issues/1563"}, {"url": "https://gist.github.com/Ro1ME/c383f66d1fd6de40b6693f9b6cc181e7"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In agentscope 1.0.18, 1.0.19, and 1.0.19 when the RealtimeAgent session exposes execute_python_code as an available tool, a remote WebSocket user can prompt the agent to call that tool and run Python code in the service environment. In the validated path, RealtimeAgent._acting forwards the model-produced tool call to Toolkit.call_tool_function, which invokes execute_python_code without an additional approval or isolation boundary on that path."}], "id": "CVE-2026-51856", "lastModified": "2026-09-30T21:17:11.520", "metrics": {}, "published": "2026-09-30T21:17:11.520", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/Ro1ME/c383f66d1fd6de40b6693f9b6cc181e7"}, {"source": "cve@mitre.org", "url": "https://github.com/agentscope-ai/agentscope/issues/1563"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"created": "2026-10-01T00:00:12.452218+00:00", "title": "Arbitrary Python Code Execution via Exposed execute_python_code Tool in Agentscope RealtimeAgent", "updated": "2026-10-01T00:00:12.452225+00:00", "vendors": [], "weaknesses": ["CWE-94"]}