{"items":[{"id":"NVI-00010565","kind":"vulnerability","title":"MLflow: SSRF on unauthenticated MLflow servers via third-party scorer kwargs in the scorer invoke, register, and GenAI evaluate endpoints","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2wqp-q3c6-ccj5","CVE-2026-115886"],"plain_summary":"GitHub lists this reviewed advisory for mlflow. 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-3ecadd228516f459618721c79bfaa829"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-457087d43cd011f9eca10f1e708252d3","url":"https://github.com/advisories/GHSA-2wqp-q3c6-ccj5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2wqp-q3c6-ccj5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-76da8df30a72a61289b6c97f04d5562c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115886","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-115886","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"},{"id":"sr-3ecadd228516f459618721c79bfaa829","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-2026-115886","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.266Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-457087d43cd011f9eca10f1e708252d3"],"technology":"mlflow","known_exclusions":[],"conditions_summary":"### Summary\nMLflow's tracking server exposes `POST /ajax-api/3.0/mlflow/scorer/invoke` with **no authentication**, and the handler reflectively instantiates an attacker-named class from attacker-supplied JSON with unconstrained constructor kwargs. With the optional `trulens` + `trulens-providers-litellm` packages installed, an unauthenticated attacker can force the server to make an outbound HTTP request to an arbitrary host of their choosing, carrying attacker-controlled headers (SSRF).\n\n### Details\n`Scorer.model_validate_json()` reflects a class name from a JSON payload behind an import-path allowlist that never constrains the reflected attribute or its kwargs, in `mlflow/genai/scorers/base.py:549-604`:\n\n```python\ndata = serialized.third_party_scorer_data          # attacker JSON\nmodule_path = data.get(\"module\") or \"\"\nclass_name = data.get(\"class\")\nif not any(module_path == m or module_path.startswith(m + \".\")\n           for m in THIRD_PARTY_SCORER_ALLOWED_MODULES):\n    raise MlflowException.invalid_parameter_value(...)\nmodule = importlib.import_module(module_path)\nscorer_class = getattr(module, class_name, None)   # attribute NOT constrained\n...\ninit_kwargs: dict[str, Any] = dic","public_affected_ranges":[">= 3.12.0rc0, < 3.17.0"]}],"null_published_at":"2026-11-08T19:53:48.769Z","source_updated_at":"2026-10-23T22:07:27.000Z","source_disclosed_at":"2026-10-23T22:07:26.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010565","kind":"vulnerability","title":"MLflow: SSRF on unauthenticated MLflow servers via third-party scorer kwargs in the scorer invoke, register, and GenAI evaluate endpoints","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2wqp-q3c6-ccj5","CVE-2026-115886"],"plain_summary":"GitHub lists this reviewed advisory for mlflow. 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-04f0525faee497ce5d652459ae545c32"],"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":"2026-10-23T22:07:27.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-457087d43cd011f9eca10f1e708252d3"},{"kind":"CVSS","as_of":"2026-10-29T19:17:16.957Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-76da8df30a72a61289b6c97f04d5562c"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.676%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.5225. Missing scores are unknown.","source_id":"sr-04f0525faee497ce5d652459ae545c32"}],"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-457087d43cd011f9eca10f1e708252d3","url":"https://github.com/advisories/GHSA-2wqp-q3c6-ccj5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2wqp-q3c6-ccj5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-76da8df30a72a61289b6c97f04d5562c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115886","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-115886","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"},{"id":"sr-04f0525faee497ce5d652459ae545c32","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-2026-115886","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.689Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-457087d43cd011f9eca10f1e708252d3"],"technology":"mlflow","known_exclusions":[],"conditions_summary":"### Summary\nMLflow's tracking server exposes `POST /ajax-api/3.0/mlflow/scorer/invoke` with **no authentication**, and the handler reflectively instantiates an attacker-named class from attacker-supplied JSON with unconstrained constructor kwargs. With the optional `trulens` + `trulens-providers-litellm` packages installed, an unauthenticated attacker can force the server to make an outbound HTTP request to an arbitrary host of their choosing, carrying attacker-controlled headers (SSRF).\n\n### Details\n`Scorer.model_validate_json()` reflects a class name from a JSON payload behind an import-path allowlist that never constrains the reflected attribute or its kwargs, in `mlflow/genai/scorers/base.py:549-604`:\n\n```python\ndata = serialized.third_party_scorer_data          # attacker JSON\nmodule_path = data.get(\"module\") or \"\"\nclass_name = data.get(\"class\")\nif not any(module_path == m or module_path.startswith(m + \".\")\n           for m in THIRD_PARTY_SCORER_ALLOWED_MODULES):\n    raise MlflowException.invalid_parameter_value(...)\nmodule = importlib.import_module(module_path)\nscorer_class = getattr(module, class_name, None)   # attribute NOT constrained\n...\ninit_kwargs: dict[str, Any] = dic","public_affected_ranges":[">= 3.12.0rc0, < 3.17.0"]}],"null_published_at":"2026-11-08T15:11:49.356Z","source_updated_at":"2026-10-23T22:07:27.000Z","source_disclosed_at":"2026-10-23T22:07:26.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010565","kind":"vulnerability","title":"MLflow: SSRF on unauthenticated MLflow servers via third-party scorer kwargs in the scorer invoke, register, and GenAI evaluate endpoints","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2wqp-q3c6-ccj5","CVE-2026-115886"],"plain_summary":"GitHub lists this reviewed advisory for mlflow. 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-04f0525faee497ce5d652459ae545c32"],"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":"2026-10-23T22:07:27.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-457087d43cd011f9eca10f1e708252d3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.676%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.5225. Missing scores are unknown.","source_id":"sr-04f0525faee497ce5d652459ae545c32"}],"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-457087d43cd011f9eca10f1e708252d3","url":"https://github.com/advisories/GHSA-2wqp-q3c6-ccj5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2wqp-q3c6-ccj5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-04f0525faee497ce5d652459ae545c32","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-2026-115886","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.689Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-457087d43cd011f9eca10f1e708252d3"],"technology":"mlflow","known_exclusions":[],"conditions_summary":"### Summary\nMLflow's tracking server exposes `POST /ajax-api/3.0/mlflow/scorer/invoke` with **no authentication**, and the handler reflectively instantiates an attacker-named class from attacker-supplied JSON with unconstrained constructor kwargs. With the optional `trulens` + `trulens-providers-litellm` packages installed, an unauthenticated attacker can force the server to make an outbound HTTP request to an arbitrary host of their choosing, carrying attacker-controlled headers (SSRF).\n\n### Details\n`Scorer.model_validate_json()` reflects a class name from a JSON payload behind an import-path allowlist that never constrains the reflected attribute or its kwargs, in `mlflow/genai/scorers/base.py:549-604`:\n\n```python\ndata = serialized.third_party_scorer_data          # attacker JSON\nmodule_path = data.get(\"module\") or \"\"\nclass_name = data.get(\"class\")\nif not any(module_path == m or module_path.startswith(m + \".\")\n           for m in THIRD_PARTY_SCORER_ALLOWED_MODULES):\n    raise MlflowException.invalid_parameter_value(...)\nmodule = importlib.import_module(module_path)\nscorer_class = getattr(module, class_name, None)   # attribute NOT constrained\n...\ninit_kwargs: dict[str, Any] = dic","public_affected_ranges":[">= 3.12.0rc0, < 3.17.0"]}],"null_published_at":"2026-10-31T23:18:22.437Z","source_updated_at":"2026-10-23T22:07:27.000Z","source_disclosed_at":"2026-10-23T22:07:26.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010565","kind":"vulnerability","title":"MLflow: SSRF on unauthenticated MLflow servers via third-party scorer kwargs in the scorer invoke, register, and GenAI evaluate endpoints","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2wqp-q3c6-ccj5","CVE-2026-115886"],"plain_summary":"GitHub lists this reviewed advisory for mlflow. 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-457087d43cd011f9eca10f1e708252d3"],"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":"2026-10-23T22:07:27.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-457087d43cd011f9eca10f1e708252d3"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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With the optional `trulens` + `trulens-providers-litellm` packages installed, an unauthenticated attacker can force the server to make an outbound HTTP request to an arbitrary host of their choosing, carrying attacker-controlled headers (SSRF).\n\n### Details\n`Scorer.model_validate_json()` reflects a class name from a JSON payload behind an import-path allowlist that never constrains the reflected attribute or its kwargs, in `mlflow/genai/scorers/base.py:549-604`:\n\n```python\ndata = serialized.third_party_scorer_data          # attacker JSON\nmodule_path = data.get(\"module\") or \"\"\nclass_name = data.get(\"class\")\nif not any(module_path == m or module_path.startswith(m + \".\")\n           for m in THIRD_PARTY_SCORER_ALLOWED_MODULES):\n    raise MlflowException.invalid_parameter_value(...)\nmodule = importlib.import_module(module_path)\nscorer_class = getattr(module, class_name, None)   # attribute NOT constrained\n...\ninit_kwargs: dict[str, Any] = dic","public_affected_ranges":[">= 3.12.0rc0, < 3.17.0"]}],"null_published_at":"2026-10-31T22:27:09.622Z","source_updated_at":"2026-10-23T22:07:27.000Z","source_disclosed_at":"2026-10-23T22:07:26.000Z","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":"2026-10-31T22:07:08.657Z"}],"next_cursor":null,"snapshot_revision":"42594"}