{"schema_version":6,"evaluation":{"evaluation_date":"2026-08-11","suppression_sources":[{"path":".bifrost/suppressions.json","state":"not_found"},{"path":".bifrost/suppressions.private.json","state":"not_found"},{"path":".bifrost/suppressions.local.json","state":"not_found"}],"scope_path":".bifrost/policy-scope.json","scope_document_state":"not_found"},"execution":{"total_elapsed_ms":0,"stage_timings":[],"termination":null,"terminal_stage":null,"active_policy_id":null,"completed_policy_ids":[],"pending_policy_ids":[]},"rules":[{"policy_id":"dataflowbench.taint.model-python","policy_hash":"57cc1b2cd868425203be38cea68455e936705ad32af8c5803457db5df6fb5bde","analysis_type":"taint","policy_schema":{"version":1,"origin":"explicit"},"selector_schemas":[{"path":"/analysis/sanitizers/entries/declared-sanitizer/selector","resolution":{"version":1,"origin":"explicit"}},{"path":"/analysis/sinks/entries/benchmark-sink/selector","resolution":{"version":1,"origin":"explicit"}},{"path":"/analysis/sinks/entries/declared-sink/selector","resolution":{"version":1,"origin":"explicit"}},{"path":"/analysis/sources/entries/benchmark-input/selector","resolution":{"version":1,"origin":"explicit"}},{"path":"/analysis/sources/entries/declared-source/selector","resolution":{"version":1,"origin":"explicit"}}],"endpoint_dependencies":[{"identity":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"benchmark-input"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sources/entries/benchmark-input/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"source","display_name":"benchmark input","categories":["input.user-controlled"],"binding":{"type":"return_value"},"taint":{"type":"source","labels":["attacker-controlled"],"threat_model":null,"evidence":null},"supersedes":[]},"semantic_hash":"0ed37eb44f82a4cb6e3e83bdce4308899ba87a05a4244225517d256b6f86b9df","analysis_projection_hash":"aa808115d48beeaa1ebf33beef3087c49a77e13c1e0b7ad936c4e3ece77bd6d3","origins":[{"type":"policy_local","path":"/analysis/sources/entries/benchmark-input"}]},{"identity":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"benchmark-sink"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sinks/entries/benchmark-sink/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"sink","display_name":"benchmark sink","categories":["data.sensitive"],"binding":{"type":"argument_index","index":0},"taint":{"type":"sink","accepts":["attacker-controlled"],"tags":[],"impacts":[]},"supersedes":[]},"semantic_hash":"c23989841c9f8d4cd12827e582ca12ca1ed1351ab82750820b16740a460c7cf1","analysis_projection_hash":"81fbf2ba07c31d1597642cf9907082197bdee6d309910ae66e645469d6122cf6","origins":[{"type":"policy_local","path":"/analysis/sinks/entries/benchmark-sink"}]},{"identity":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"declared-sink"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sinks/entries/declared-sink/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"sink","display_name":"declared sink Audit.record","categories":["data.sensitive"],"binding":{"type":"argument_index","index":0},"taint":{"type":"sink","accepts":["attacker-controlled"],"tags":[],"impacts":[]},"supersedes":[]},"semantic_hash":"5d4c220fa25082ba2610435e2a7c4f9640933f178d3498d0041955d3bd6db296","analysis_projection_hash":"0f700ed3870b7d7c766a3a77a0847f6a72da39c537af790faff47405280ada92","origins":[{"type":"policy_local","path":"/analysis/sinks/entries/declared-sink"}]},{"identity":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"declared-source"},"definition_schema":{"type":"policy_document","resolution":{"version":1,"origin":"explicit"}},"selector_path":"/analysis/sources/entries/declared-source/selector","selector_schema":{"version":1,"origin":"explicit"},"model":{"role":"source","display_name":"declared source Config.fetchRemote","categories":["input.user-controlled"],"binding":{"type":"return_value"},"taint":{"type":"source","labels":["attacker-controlled"],"threat_model":null,"evidence":null},"supersedes":[]},"semantic_hash":"b220fad478606448c496e2c78ef8b698028391ba7e675e7878bdd44059465c64","analysis_projection_hash":"8baa2e5b5a13089554fd422ae8286bac343b8e6c87c12e73f26e91bc12c98134","origins":[{"type":"policy_local","path":"/analysis/sources/entries/declared-source"}]}],"match_directory_manifests":[],"endpoint_set_dependencies":[],"precedence_manifest":{"edges":[]},"name":"DataFlowBench Python taint-modeling matrix","message":{"type":"static","text":"A benchmark-declared source reaches a benchmark-declared sink"},"severity":{"type":"fixed","level":"warning"},"description":null,"help_uri":null,"tags":[]}],"runs":[{"policy_id":"dataflowbench.taint.model-python","policy_hash":"57cc1b2cd868425203be38cea68455e936705ad32af8c5803457db5df6fb5bde","analysis_type":"taint","completion":{"type":"complete"},"findings":[{"id":"55f97d2f88e19e2cf420c87b8633cbb7d4ff5060f98c380acb024e418feaab73","identity_stability":"strong","policy_id":"dataflowbench.taint.model-python","policy_hash":"57cc1b2cd868425203be38cea68455e936705ad32af8c5803457db5df6fb5bde","analysis_type":"taint","severity":"warning","message":"A benchmark-declared source reaches a benchmark-declared sink","classification":{"type":"unclassified"},"certainty":{"type":"definite"},"completeness":{"type":"complete"},"primary":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"related":[{"relationship":"source","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"evidence_refs":[]}],"related_truncated":false,"omitted_related_locations_lower_bound":0,"evidence":{"type":"taint","evidence":{"analysis_finding_id":"bifrost:8830effa3f5e773e8fc36d6f803e931fc105196396203d45670b9537825fe0b7","anchor":{"type":"strong","sink_identity":{"namespace":"python","path":"config.py","derivation":"canonical_ast_identity","semantic_key":"[[\"file\",\"config.py\"],[\"function\",\"run\"],[\"program_point\",null]]"},"sink_site_ordinal":0,"source_endpoint_analysis_projection_hash":"8baa2e5b5a13089554fd422ae8286bac343b8e6c87c12e73f26e91bc12c98134","sink_endpoint_analysis_projection_hash":"81fbf2ba07c31d1597642cf9907082197bdee6d309910ae66e645469d6122cf6","source_scenario_set_hash":"c7d9e0241af067adb42b318a25d7378df5ac00dab437b3f70c1cf96e0ad69289"},"sink":"bifrost:4a4d894c0f979ce8436a25615fcabccf1def39b0285e46a9f422f0f33c43b914","source_endpoint":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"declared-source"},"sink_endpoint":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"benchmark-sink"},"source_display_name":"declared source Config.fetchRemote","source_threat_model":null,"sink_display_name":"benchmark sink","source_categories":["input.user-controlled"],"sink_categories":["data.sensitive"],"selected_combination":null,"sink_tags":[],"sink_impacts":[],"reached_source_labels":["attacker-controlled"],"origins":[{"source_endpoint":{"type":"local","policy_id":"dataflowbench.taint.model-python","entry_id":"declared-source"},"source_label":"attacker-controlled","source_threat_model":null,"source_evidence":null,"primary":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"scenario_id":"bifrost:04f3248790f6953e3d50e239173da0c0b7148f7905fe57d4759e78a3c1fa1822:source-event:0","evidence_refs":["bifrost:d25a74f3f62ef65037a6acac1e95364274ac05e0ec2ec9ba6489151589fb58c7"],"certainty":{"type":"definite"}}],"origins_truncated":false,"source_scenarios":["bifrost:04f3248790f6953e3d50e239173da0c0b7148f7905fe57d4759e78a3c1fa1822:source-event:0"],"source_scenarios_truncated":false,"omitted_source_scenarios_lower_bound":0,"source_scenario_set_hash":"c7d9e0241af067adb42b318a25d7378df5ac00dab437b3f70c1cf96e0ad69289","witness_refs":["bifrost:32d619b9a4a641666c75fbbce367472aea9b8a0ef1ca2c0eecc4ce40b46e11b2","bifrost:b5ec7c0a9948811691cb0f099e4388dd5ec3266615759e7fabebecd8459aead5","bifrost:d2f4fe8ea648d27be23fb2361d9aff7e05ef2506773ee1a1fce9f8947f3f4a23"],"witness_refs_truncated":false,"projection_facts_hash":"7d419130d6e9699cc886cd7be3febe186190ec70300c87c17aa3abf45e2cf8cf"}},"evidence_refs_truncated":false,"omitted_evidence_refs_lower_bound":0,"cvss":null,"organizational_risk":null,"proof":{"state":"proven","reasons":[{"type":"dataflow_witness"}],"evidence_refs":[]},"witnesses":[{"id":"bifrost:32d619b9a4a641666c75fbbce367472aea9b8a0ef1ca2c0eecc4ce40b46e11b2","steps":[{"kind":"source","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":1733},{"id":"bifrost:b5ec7c0a9948811691cb0f099e4388dd5ec3266615759e7fabebecd8459aead5","steps":[{"kind":"source","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":1733},{"id":"bifrost:d2f4fe8ea648d27be23fb2361d9aff7e05ef2506773ee1a1fce9f8947f3f4a23","steps":[{"kind":"source","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint source","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":188,"end":227},"region":{"start_line":13,"start_column":1,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"taint propagation","evidence_refs":[]},{"kind":"propagation","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"taint propagation","evidence_refs":[]}],"truncated":false,"omitted_steps_lower_bound":0,"retained_bytes":1733}],"witnesses_truncated":false,"omitted_witnesses_lower_bound":0,"display_path":{"schema_version":1,"representative_witness_id":"bifrost:32d619b9a4a641666c75fbbce367472aea9b8a0ef1ca2c0eecc4ce40b46e11b2","witness_ids":["bifrost:32d619b9a4a641666c75fbbce367472aea9b8a0ef1ca2c0eecc4ce40b46e11b2","bifrost:b5ec7c0a9948811691cb0f099e4388dd5ec3266615759e7fabebecd8459aead5","bifrost:d2f4fe8ea648d27be23fb2361d9aff7e05ef2506773ee1a1fce9f8947f3f4a23"],"steps":[{"kind":"source","location":{"path":"config.py","byte_span":{"start":212,"end":226},"region":{"start_line":14,"start_column":14,"end_line":14,"end_column":28}},"label":"fetch_remote()"},{"kind":"sink","location":{"path":"config.py","byte_span":{"start":203,"end":227},"region":{"start_line":14,"start_column":5,"end_line":14,"end_column":29}},"label":"dfb_sink(fetch_remote())"}],"canonical_incomplete":false,"omitted_meaningful_steps":0,"alternatives_truncated":false,"omitted_alternative_paths_lower_bound":0,"omitted_witnesses_lower_bound":0},"suppression":null,"scope":null}],"diagnostics":[],"diagnostics_truncated":false,"obligations":[],"obligations_truncated":false,"omitted_obligations_lower_bound":0,"work":{"scanned_files":5,"scanned_source_bytes":1140,"fact_nodes":58,"pipeline_rows":2,"examined_references":0,"retained_findings":1,"omitted_findings_lower_bound":0,"retained_report_bytes":18113,"metrics":[{"name":"taint.attribution_attempts","unit":"count","value":3},{"name":"taint.attribution_candidate_exhaustions","unit":"count","value":0},{"name":"taint.attribution_expansions","unit":"count","value":27},{"name":"taint.attribution_run_exhaustions","unit":"count","value":0},{"name":"taint.attribution_steps","unit":"count","value":27},{"name":"taint.compiled_sink_endpoints","unit":"count","value":1},{"name":"taint.compiled_source_endpoints","unit":"count","value":1},{"name":"taint.propagation_shared_memberships","unit":"count","value":0},{"name":"taint.propagation_solves","unit":"count","value":1},{"name":"taint.selector_scans","unit":"count","value":5},{"name":"taint.semantic_cumulative_allocations","unit":"rows","value":0},{"name":"taint.semantic_cumulative_blocks","unit":"rows","value":20},{"name":"taint.semantic_cumulative_call_sites","unit":"rows","value":8},{"name":"taint.semantic_cumulative_captures","unit":"rows","value":0},{"name":"taint.semantic_cumulative_control_edges","unit":"rows","value":30},{"name":"taint.semantic_cumulative_events","unit":"rows","value":102},{"name":"taint.semantic_cumulative_evidence","unit":"rows","value":52},{"name":"taint.semantic_cumulative_gaps","unit":"rows","value":30},{"name":"taint.semantic_cumulative_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_cumulative_nested_entries","unit":"rows","value":539},{"name":"taint.semantic_cumulative_owned_text_bytes","unit":"bytes","value":1703},{"name":"taint.semantic_cumulative_procedures","unit":"rows","value":10},{"name":"taint.semantic_cumulative_program_points","unit":"rows","value":114},{"name":"taint.semantic_cumulative_source_bytes","unit":"bytes","value":684},{"name":"taint.semantic_cumulative_source_mappings","unit":"rows","value":37},{"name":"taint.semantic_cumulative_values","unit":"rows","value":38},{"name":"taint.semantic_handle_identity_reuses","unit":"count","value":0},{"name":"taint.semantic_materialized_files","unit":"count","value":2},{"name":"taint.semantic_peak_retained_bytes","unit":"bytes","value":1703},{"name":"taint.semantic_peak_row_dimension","unit":"rows","value":514},{"name":"taint.semantic_peak_traversal_steps","unit":"count","value":13},{"name":"taint.semantic_program_points","unit":"rows","value":114},{"name":"taint.semantic_resident_peak_allocations","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_blocks","unit":"rows","value":20},{"name":"taint.semantic_resident_peak_call_sites","unit":"rows","value":2},{"name":"taint.semantic_resident_peak_captures","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_control_edges","unit":"rows","value":30},{"name":"taint.semantic_resident_peak_events","unit":"rows","value":34},{"name":"taint.semantic_resident_peak_evidence","unit":"rows","value":37},{"name":"taint.semantic_resident_peak_gaps","unit":"rows","value":6},{"name":"taint.semantic_resident_peak_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_resident_peak_nested_entries","unit":"rows","value":288},{"name":"taint.semantic_resident_peak_owned_text_bytes","unit":"bytes","value":1684},{"name":"taint.semantic_resident_peak_procedures","unit":"rows","value":4},{"name":"taint.semantic_resident_peak_program_points","unit":"rows","value":38},{"name":"taint.semantic_resident_peak_retained_bytes","unit":"bytes","value":1684},{"name":"taint.semantic_resident_peak_source_bytes","unit":"bytes","value":228},{"name":"taint.semantic_resident_peak_source_mappings","unit":"rows","value":37},{"name":"taint.semantic_resident_peak_values","unit":"rows","value":15},{"name":"taint.semantic_result_contract_artifact_leases","unit":"count","value":0},{"name":"taint.semantic_root_work_peak_allocations","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_blocks","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_call_sites","unit":"rows","value":4},{"name":"taint.semantic_root_work_peak_captures","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_control_edges","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_events","unit":"rows","value":38},{"name":"taint.semantic_root_work_peak_evidence","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_gaps","unit":"rows","value":24},{"name":"taint.semantic_root_work_peak_memory_locations","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_nested_entries","unit":"rows","value":226},{"name":"taint.semantic_root_work_peak_owned_text_bytes","unit":"bytes","value":19},{"name":"taint.semantic_root_work_peak_procedures","unit":"rows","value":1},{"name":"taint.semantic_root_work_peak_program_points","unit":"rows","value":28},{"name":"taint.semantic_root_work_peak_source_bytes","unit":"bytes","value":228},{"name":"taint.semantic_root_work_peak_source_mappings","unit":"rows","value":0},{"name":"taint.semantic_root_work_peak_values","unit":"rows","value":8},{"name":"taint.semantic_snapshot_materializations","unit":"count","value":4},{"name":"taint.semantic_source_bytes","unit":"bytes","value":456},{"name":"taint.semantic_traversal_steps","unit":"count","value":19},{"name":"taint.store_key_budget_hits","unit":"count","value":0},{"name":"taint.store_key_direct_literals","unit":"count","value":0},{"name":"taint.store_key_operands","unit":"count","value":0},{"name":"taint.store_key_recovered","unit":"count","value":0},{"name":"taint.store_key_unproven","unit":"count","value":0},{"name":"taint.store_key_work","unit":"count","value":0}]},"engine":{"icfg":{"reason":"language:python"}}}],"suppressions":[],"scope":[],"packs":{"document_path":".bifrost/packs.json","dependency_mode":"default","ecosystems":["python"],"complete":true,"decisions":[{"pack":"bifrost.python-stdlib","status":"rejected","reason":"python: the workspace declares no CPython version in .python-version, pyproject.toml, setup.cfg or setup.py"}],"decisions_truncated":false},"diagnostics":[],"diagnostics_truncated":false,"omitted_diagnostics_lower_bound":0,"worst_omitted_diagnostic_severity":null}