{"items":[{"id":"NVI-00016183","kind":"vulnerability","title":"Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6556-fwc2-fg2p","CVE-2025-71339"],"plain_summary":"GitHub lists this reviewed advisory for picklescan. 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-12007de8f59774cf1d5eac0ecdeed427"],"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":"2026-07-18T17:27:26.000Z","value":"8.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3e3f27cd278d5463c2c8eeba699580cf"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.381%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32315. Missing scores are unknown.","source_id":"sr-12007de8f59774cf1d5eac0ecdeed427"}],"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-3e3f27cd278d5463c2c8eeba699580cf","url":"https://github.com/advisories/GHSA-6556-fwc2-fg2p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6556-fwc2-fg2p","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"},{"id":"sr-12007de8f59774cf1d5eac0ecdeed427","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-71339","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.307Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3e3f27cd278d5463c2c8eeba699580cf"],"technology":"picklescan","known_exclusions":[],"conditions_summary":"### Summary\n\nPicklescan uses the `numpy.f2py.crackfortran._eval_length` function (a NumPy F2PY helper) to execute arbitrary Python code during unpickling.\n\n### Details\n\nPicklescan fails to detect a malicious pickle that uses the gadget `numpy.f2py.crackfortran._eval_length` in `__reduce__`, allowing arbitrary command execution when the pickle is loaded. A crafted object returns this function plus attacker‑controlled arguments; the scan reports the file as safe, but pickle.load() triggers execution.\n\n### PoC\n```python\nclass PoC:\n    def __reduce__(self):\n        from numpy.f2py.crackfortran import _eval_length\n        return _eval_length, (\"__import__('os').system('whoami')\", None)\n```\n\n### Impact\n\n- Arbitrary code execution on the victim machine once they load the “scanned as safe” pickle / model file.\n- Affects any workflow relying on Picklescan to vet untrusted pickle / PyTorch artifacts.\n- Enables supply‑chain poisoning of shared model files.\n\n### Credits\n- ac0d3r\n- Tong Liu, Institute of information engineering, CAS","public_affected_ranges":["< 0.0.33"]}],"null_published_at":"2026-11-08T08:10:32.022Z","source_updated_at":"2026-07-18T17:27:26.000Z","source_disclosed_at":"2025-12-30T15:20:14.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-04T02:49:06.528Z"},{"id":"NVI-00016183","kind":"vulnerability","title":"Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6556-fwc2-fg2p","CVE-2025-71339"],"plain_summary":"GitHub lists this reviewed advisory for picklescan. 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-3e3f27cd278d5463c2c8eeba699580cf"],"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":"2026-07-18T17:27:26.000Z","value":"8.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3e3f27cd278d5463c2c8eeba699580cf"}],"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-3e3f27cd278d5463c2c8eeba699580cf","url":"https://github.com/advisories/GHSA-6556-fwc2-fg2p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6556-fwc2-fg2p","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:49:06.528Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3e3f27cd278d5463c2c8eeba699580cf"],"technology":"picklescan","known_exclusions":[],"conditions_summary":"### Summary\n\nPicklescan uses the `numpy.f2py.crackfortran._eval_length` function (a NumPy F2PY helper) to execute arbitrary Python code during unpickling.\n\n### Details\n\nPicklescan fails to detect a malicious pickle that uses the gadget `numpy.f2py.crackfortran._eval_length` in `__reduce__`, allowing arbitrary command execution when the pickle is loaded. A crafted object returns this function plus attacker‑controlled arguments; the scan reports the file as safe, but pickle.load() triggers execution.\n\n### PoC\n```python\nclass PoC:\n    def __reduce__(self):\n        from numpy.f2py.crackfortran import _eval_length\n        return _eval_length, (\"__import__('os').system('whoami')\", None)\n```\n\n### Impact\n\n- Arbitrary code execution on the victim machine once they load the “scanned as safe” pickle / model file.\n- Affects any workflow relying on Picklescan to vet untrusted pickle / PyTorch artifacts.\n- Enables supply‑chain poisoning of shared model files.\n\n### Credits\n- ac0d3r\n- Tong Liu, Institute of information engineering, CAS","public_affected_ranges":["< 0.0.33"]}],"null_published_at":"2026-11-04T10:04:27.902Z","source_updated_at":"2026-07-18T17:27:26.000Z","source_disclosed_at":"2025-12-30T15:20:14.000Z","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":"2026-11-04T02:49:06.528Z"}],"next_cursor":null,"snapshot_revision":"42594"}