{"items":[{"id":"NVI-00018277","kind":"vulnerability","title":"python-statemachine SCXML  Eval Injection","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v4jc-pm6r-3vj8","CVE-2026-47103"],"plain_summary":"GitHub lists this reviewed advisory for python-statemachine. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-050441fdc69b43ec5481f09e0c26f6b1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-18T14:28:03.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-050441fdc69b43ec5481f09e0c26f6b1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-050441fdc69b43ec5481f09e0c26f6b1","url":"https://github.com/advisories/GHSA-v4jc-pm6r-3vj8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-v4jc-pm6r-3vj8","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T07:20:10.578Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-050441fdc69b43ec5481f09e0c26f6b1"],"technology":"python-statemachine","known_exclusions":[],"conditions_summary":"### Summary\n\npython-statemachine 3.1.2 evaluates `` attributes in SCXML documents using Python's `eval()`. Any application that passes attacker-controlled SCXML content to `SCXMLProcessor` is vulnerable to arbitrary code execution in the context of the hosting process.\n\n### Details\n\n`SCXMLProcessor.parse_scxml_file()` processes SCXML documents and evaluates `` element `expr` attributes via the following call chain:\n\n```\nSCXMLProcessor.parse_scxml_file()\nSCXMLProcessor.process_definition()\ncreate_datamodel_action_callable()\n_create_dataitem_callable()\n_eval()\neval()\n```\n\n`_eval()` calls Python's built-in `eval()` directly on the expression string without sandboxing or restriction.\n\n### PoC\n\n```\n1. Install:\n   pip install python-statemachine==3.1.2\n\n2. Create an SCXML file containing:\n   \n\n3. Run:\n   SCXMLProcessor.parse_scxml_file(DATA_EXPR_CHART)\n   SCXMLProcessor.start()\n\n4. During start(),  reaches _eval(), which calls eval().\n\n5. Result:\n   data_marker_before_start: False\n   data_marker_after_start: True\n   success: True\n```\n\n### Impact\n\nThis is an eval injection v","public_affected_ranges":[">= 3.0.0, < 3.2.0"]}],"null_published_at":"2026-11-07T07:07:39.800Z","source_updated_at":"2026-06-18T14:28:03.000Z","source_disclosed_at":"2026-06-18T14:28:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-06T07:20:10.578Z"}],"next_cursor":null,"snapshot_revision":"42594"}