{"items":[{"id":"NVI-00009003","kind":"vulnerability","title":"Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mf8f-x4r3-jm8c","CVE-2026-31234"],"plain_summary":"GitHub lists this reviewed advisory for horovod. 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-33a14f2af164bcc0190f8e3748cc02dc"],"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":"2026-10-27T16:28:27.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6c88f59a565f91056e1da696ea0a9ec5"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.687%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.52707. Missing scores are unknown.","source_id":"sr-33a14f2af164bcc0190f8e3748cc02dc"}],"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-6c88f59a565f91056e1da696ea0a9ec5","url":"https://github.com/advisories/GHSA-mf8f-x4r3-jm8c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mf8f-x4r3-jm8c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-33a14f2af164bcc0190f8e3748cc02dc","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-2026-31234","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6c88f59a565f91056e1da696ea0a9ec5"],"technology":"horovod","known_exclusions":[],"conditions_summary":"Horovod thru 0.28.1 contains an insecure deserialization vulnerability (CWE-502) in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT requests. When a Horovod worker reads data from the KVStore (via HTTP GET), it deserializes the data using cloudpickle.loads() without verifying its source or integrity. An attacker can exploit this by sending a malicious pickle payload to the server before the legitimate data is written, causing the victim worker to deserialize and execute arbitrary code, leading to remote code execution.","public_affected_ranges":["<= 0.28.1"]}],"null_published_at":"2026-10-31T22:27:15.286Z","source_updated_at":"2026-10-27T16:28:27.000Z","source_disclosed_at":"2026-05-12T18:30:40.000Z","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":"2026-10-31T21:56:51.534Z"},{"id":"NVI-00009003","kind":"vulnerability","title":"Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mf8f-x4r3-jm8c","CVE-2026-31234"],"plain_summary":"GitHub lists this reviewed advisory for horovod. 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-6c88f59a565f91056e1da696ea0a9ec5"],"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":"2026-10-27T16:28:27.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6c88f59a565f91056e1da696ea0a9ec5"}],"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-6c88f59a565f91056e1da696ea0a9ec5","url":"https://github.com/advisories/GHSA-mf8f-x4r3-jm8c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mf8f-x4r3-jm8c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6c88f59a565f91056e1da696ea0a9ec5"],"technology":"horovod","known_exclusions":[],"conditions_summary":"Horovod thru 0.28.1 contains an insecure deserialization vulnerability (CWE-502) in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT requests. When a Horovod worker reads data from the KVStore (via HTTP GET), it deserializes the data using cloudpickle.loads() without verifying its source or integrity. An attacker can exploit this by sending a malicious pickle payload to the server before the legitimate data is written, causing the victim worker to deserialize and execute arbitrary code, leading to remote code execution.","public_affected_ranges":["<= 0.28.1"]}],"null_published_at":"2026-10-31T22:13:27.126Z","source_updated_at":"2026-10-27T16:28:27.000Z","source_disclosed_at":"2026-05-12T18:30:40.000Z","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":"2026-10-31T21:56:51.534Z"}],"next_cursor":null,"snapshot_revision":"42594"}