{"schema":"threatline.record/2","record":{"id":"CVE-2026-51856","aliases":[],"summary":"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 ","details":"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.","categories":["Unclassified"],"product":"n/a","vendor":"n/a","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-51856","source_modified_at":"2026-10-01T16:09:52.586Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"n/a","vendor":"n/a","versions":[{"version":"n/a","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00332,"percentile":0.25254,"score_date":"2026-10-23"},"published_at":"2026-09-30T00:00:00.000Z","modified_at":"2026-10-01T16:09:52.586Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-51856","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T16:09:52.586Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-51856","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/agentscope-ai/agentscope/issues/1563"},{"source":"CVE List","url":"https://gist.github.com/Ro1ME/c383f66d1fd6de40b6693f9b6cc181e7","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-01T16:08:56.059920Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T16:09:52.586Z","content_hash":"bbdddb44966fb7a9349a0410739628d0833fdb15aa184e975dfb481a5b50f6a0"}}