{"items":[{"id":"NVI-00010575","kind":"vulnerability","title":"BentoML Allows Remote Code Execution (RCE) via Insecure Deserialization","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-33xw-247w-6hmc","CVE-2025-27520"],"plain_summary":"GitHub lists this reviewed advisory for bentoml. 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-04237e333b4c5175714013246a6f31cf"],"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":"2026-10-27T15:14:19.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f0759659d068ea2a5472441ae5d4725"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"40.620%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.98652. Missing scores are unknown.","source_id":"sr-04237e333b4c5175714013246a6f31cf"}],"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-4f0759659d068ea2a5472441ae5d4725","url":"https://github.com/advisories/GHSA-33xw-247w-6hmc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-33xw-247w-6hmc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-04237e333b4c5175714013246a6f31cf","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-2025-27520","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.766Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4f0759659d068ea2a5472441ae5d4725"],"technology":"bentoml","known_exclusions":[],"conditions_summary":"### Summary\nA Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version(v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server.\n\n### Details\nIt exists an unsafe code segment in `serde.py`: \n```Python\ndef deserialize_value(self, payload: Payload) -> t.Any:\n    if \"buffer-lengths\" not in payload.metadata:\n        return pickle.loads(b\"\".join(payload.data))\n```\nThrough data flow analysis, it is confirmed that the `payload `content is sourced from an HTTP request, which can be fully manipulated by the attack. Due to the lack of validation in the code, maliciously crafted serialized data can execute harmful actions during deserialization.\n\n### PoC\nEnvironment:\n\n- Server host:\n  - IP: 10.98.36.123\n  - OS: Ubuntu \n- Attack host:\n  - IP: 10.98.36.121\n  - OS: Ubuntu \n\n\n\n1. Follow the instructions on the BentoML official README(https://github.com/bentoml/BentoML) to set up the environment.\n\n1.1 Install BentoML (Server host: 10.98.36.123) :\n` pip install -U bentoml`\n\n1.2 Define APIs in a `service.py` file (Server host: 10.98.36.123) :\n``` Python\nfrom __future__ import annotations\n\nimport bento","public_affected_ranges":[">= 1.3.4, < 1.4.3"]}],"null_published_at":"2026-11-04T10:04:41.542Z","source_updated_at":"2026-10-27T15:14:19.000Z","source_disclosed_at":"2025-04-04T16:05:32.000Z","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":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010575","kind":"vulnerability","title":"BentoML Allows Remote Code Execution (RCE) via Insecure Deserialization","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-33xw-247w-6hmc","CVE-2025-27520"],"plain_summary":"GitHub lists this reviewed advisory for bentoml. 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-334c5286c9cfa6d290d7d603ddf863e0"],"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":"2026-10-27T15:14:19.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f0759659d068ea2a5472441ae5d4725"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"40.620%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.9865. Missing scores are unknown.","source_id":"sr-334c5286c9cfa6d290d7d603ddf863e0"}],"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-4f0759659d068ea2a5472441ae5d4725","url":"https://github.com/advisories/GHSA-33xw-247w-6hmc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-33xw-247w-6hmc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-334c5286c9cfa6d290d7d603ddf863e0","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-2025-27520","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.683Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4f0759659d068ea2a5472441ae5d4725"],"technology":"bentoml","known_exclusions":[],"conditions_summary":"### Summary\nA Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version(v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server.\n\n### Details\nIt exists an unsafe code segment in `serde.py`: \n```Python\ndef deserialize_value(self, payload: Payload) -> t.Any:\n    if \"buffer-lengths\" not in payload.metadata:\n        return pickle.loads(b\"\".join(payload.data))\n```\nThrough data flow analysis, it is confirmed that the `payload `content is sourced from an HTTP request, which can be fully manipulated by the attack. Due to the lack of validation in the code, maliciously crafted serialized data can execute harmful actions during deserialization.\n\n### PoC\nEnvironment:\n\n- Server host:\n  - IP: 10.98.36.123\n  - OS: Ubuntu \n- Attack host:\n  - IP: 10.98.36.121\n  - OS: Ubuntu \n\n\n\n1. Follow the instructions on the BentoML official README(https://github.com/bentoml/BentoML) to set up the environment.\n\n1.1 Install BentoML (Server host: 10.98.36.123) :\n` pip install -U bentoml`\n\n1.2 Define APIs in a `service.py` file (Server host: 10.98.36.123) :\n``` Python\nfrom __future__ import annotations\n\nimport bento","public_affected_ranges":[">= 1.3.4, < 1.4.3"]}],"null_published_at":"2026-10-31T23:18:22.444Z","source_updated_at":"2026-10-27T15:14:19.000Z","source_disclosed_at":"2025-04-04T16:05:32.000Z","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":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010575","kind":"vulnerability","title":"BentoML Allows Remote Code Execution (RCE) via Insecure Deserialization","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-33xw-247w-6hmc","CVE-2025-27520"],"plain_summary":"GitHub lists this reviewed advisory for bentoml. 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-4f0759659d068ea2a5472441ae5d4725"],"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":"2026-10-27T15:14:19.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4f0759659d068ea2a5472441ae5d4725"}],"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-4f0759659d068ea2a5472441ae5d4725","url":"https://github.com/advisories/GHSA-33xw-247w-6hmc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-33xw-247w-6hmc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4f0759659d068ea2a5472441ae5d4725"],"technology":"bentoml","known_exclusions":[],"conditions_summary":"### Summary\nA Remote Code Execution (RCE) vulnerability caused by insecure deserialization has been identified in the latest version(v1.4.2) of BentoML. It allows any unauthenticated user to execute arbitrary code on the server.\n\n### Details\nIt exists an unsafe code segment in `serde.py`: \n```Python\ndef deserialize_value(self, payload: Payload) -> t.Any:\n    if \"buffer-lengths\" not in payload.metadata:\n        return pickle.loads(b\"\".join(payload.data))\n```\nThrough data flow analysis, it is confirmed that the `payload `content is sourced from an HTTP request, which can be fully manipulated by the attack. Due to the lack of validation in the code, maliciously crafted serialized data can execute harmful actions during deserialization.\n\n### PoC\nEnvironment:\n\n- Server host:\n  - IP: 10.98.36.123\n  - OS: Ubuntu \n- Attack host:\n  - IP: 10.98.36.121\n  - OS: Ubuntu \n\n\n\n1. Follow the instructions on the BentoML official README(https://github.com/bentoml/BentoML) to set up the environment.\n\n1.1 Install BentoML (Server host: 10.98.36.123) :\n` pip install -U bentoml`\n\n1.2 Define APIs in a `service.py` file (Server host: 10.98.36.123) :\n``` Python\nfrom __future__ import annotations\n\nimport bento","public_affected_ranges":[">= 1.3.4, < 1.4.3"]}],"null_published_at":"2026-10-31T22:27:09.623Z","source_updated_at":"2026-10-27T15:14:19.000Z","source_disclosed_at":"2025-04-04T16:05:32.000Z","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":"2026-10-31T22:06:46.371Z"}],"next_cursor":null,"snapshot_revision":"42594"}