{"items":[{"id":"NVI-00011849","kind":"vulnerability","title":"PyMongo: PYTHON-5990 Forced Unix domain socket connection via a .sock KMS endpoint in client-side field level encryption","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-qx36-8mw2-4r3x","CVE-2026-96747"],"plain_summary":"GitHub lists this reviewed advisory for pymongo. 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-182cd2b3208bf0ccdf346d614ef2315a"],"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":"2026-10-05T23:46:54.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43fefaa68695e128c781b87d8cf1c64a"},{"kind":"CVSS","as_of":"2026-09-24T21:04:40.340Z","value":"5 MEDIUM (3.1)","meaning":"cna@mongodb.com severity; no combined Null risk score.","source_id":"sr-4bd02006cd5ee47bb16932d755f1a9c8"},{"kind":"CVSS","as_of":"2026-09-24T21:04:40.340Z","value":"5.3 MEDIUM (4.0)","meaning":"cna@mongodb.com severity; no combined Null risk score.","source_id":"sr-4bd02006cd5ee47bb16932d755f1a9c8"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.190%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08665. Missing scores are unknown.","source_id":"sr-182cd2b3208bf0ccdf346d614ef2315a"}],"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-43fefaa68695e128c781b87d8cf1c64a","url":"https://github.com/advisories/GHSA-qx36-8mw2-4r3x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qx36-8mw2-4r3x","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-4bd02006cd5ee47bb16932d755f1a9c8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96747","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-96747","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:59.040Z"},{"id":"sr-182cd2b3208bf0ccdf346d614ef2315a","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-2026-96747","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:29:11.297Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43fefaa68695e128c781b87d8cf1c64a"],"technology":"pymongo","known_exclusions":[],"conditions_summary":"### Summary\n\nPyMongo passed the KMS endpoint of a data key verbatim into `parse_host()`, which returns any string ending in `.sock` unchanged instead of validating it as a hostname and port. The driver's connection code then treats such an address as a Unix domain socket path and connects to it with `AF_UNIX`. Because the endpoint originates from `masterKey.endpoint` in a key vault document, a party who can write to the key vault could redirect the driver's KMS connection to an arbitrary Unix domain socket path on the application host.\n\n### Impact\n\nAn application using client-side field level encryption (CSFLE) or Queryable Encryption is affected if an attacker can write to its key vault collection. Setting `masterKey.endpoint` on a data key to a `.sock`-suffixed string causes the next KMS request for that key (key cache TTL is ~60 seconds) to open an `AF_UNIX` connection to the attacker-chosen filesystem path from inside the victim application process. The documented custom KMS endpoint feature supports TCP hosts only, so this crosses a boundary the feature was never intended to allow.\n\nImpact is limited to the side effects of the connection itself. The socket is still wrapped in ","public_affected_ranges":[">= 3.9.0, <= 4.18.1"]}],"null_published_at":"2026-11-05T19:10:23.251Z","source_updated_at":"2026-10-05T23:46:54.000Z","source_disclosed_at":"2026-10-05T23:46:53.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011849","kind":"vulnerability","title":"PyMongo: PYTHON-5990 Forced Unix domain socket connection via a .sock KMS endpoint in client-side field level encryption","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qx36-8mw2-4r3x","CVE-2026-96747"],"plain_summary":"GitHub lists this reviewed advisory for pymongo. 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-182cd2b3208bf0ccdf346d614ef2315a"],"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":"2026-10-05T23:46:54.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43fefaa68695e128c781b87d8cf1c64a"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.190%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08665. Missing scores are unknown.","source_id":"sr-182cd2b3208bf0ccdf346d614ef2315a"}],"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-43fefaa68695e128c781b87d8cf1c64a","url":"https://github.com/advisories/GHSA-qx36-8mw2-4r3x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qx36-8mw2-4r3x","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-182cd2b3208bf0ccdf346d614ef2315a","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-2026-96747","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:29:11.297Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43fefaa68695e128c781b87d8cf1c64a"],"technology":"pymongo","known_exclusions":[],"conditions_summary":"### Summary\n\nPyMongo passed the KMS endpoint of a data key verbatim into `parse_host()`, which returns any string ending in `.sock` unchanged instead of validating it as a hostname and port. The driver's connection code then treats such an address as a Unix domain socket path and connects to it with `AF_UNIX`. Because the endpoint originates from `masterKey.endpoint` in a key vault document, a party who can write to the key vault could redirect the driver's KMS connection to an arbitrary Unix domain socket path on the application host.\n\n### Impact\n\nAn application using client-side field level encryption (CSFLE) or Queryable Encryption is affected if an attacker can write to its key vault collection. Setting `masterKey.endpoint` on a data key to a `.sock`-suffixed string causes the next KMS request for that key (key cache TTL is ~60 seconds) to open an `AF_UNIX` connection to the attacker-chosen filesystem path from inside the victim application process. The documented custom KMS endpoint feature supports TCP hosts only, so this crosses a boundary the feature was never intended to allow.\n\nImpact is limited to the side effects of the connection itself. The socket is still wrapped in ","public_affected_ranges":[">= 3.9.0, <= 4.18.1"]}],"null_published_at":"2026-11-03T17:49:18.506Z","source_updated_at":"2026-10-05T23:46:54.000Z","source_disclosed_at":"2026-10-05T23:46:53.000Z","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":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011849","kind":"vulnerability","title":"PyMongo: PYTHON-5990 Forced Unix domain socket connection via a .sock KMS endpoint in client-side field level encryption","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qx36-8mw2-4r3x","CVE-2026-96747"],"plain_summary":"GitHub lists this reviewed advisory for pymongo. 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-43fefaa68695e128c781b87d8cf1c64a"],"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":"2026-10-05T23:46:54.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43fefaa68695e128c781b87d8cf1c64a"}],"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-43fefaa68695e128c781b87d8cf1c64a","url":"https://github.com/advisories/GHSA-qx36-8mw2-4r3x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qx36-8mw2-4r3x","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43fefaa68695e128c781b87d8cf1c64a"],"technology":"pymongo","known_exclusions":[],"conditions_summary":"### Summary\n\nPyMongo passed the KMS endpoint of a data key verbatim into `parse_host()`, which returns any string ending in `.sock` unchanged instead of validating it as a hostname and port. The driver's connection code then treats such an address as a Unix domain socket path and connects to it with `AF_UNIX`. Because the endpoint originates from `masterKey.endpoint` in a key vault document, a party who can write to the key vault could redirect the driver's KMS connection to an arbitrary Unix domain socket path on the application host.\n\n### Impact\n\nAn application using client-side field level encryption (CSFLE) or Queryable Encryption is affected if an attacker can write to its key vault collection. Setting `masterKey.endpoint` on a data key to a `.sock`-suffixed string causes the next KMS request for that key (key cache TTL is ~60 seconds) to open an `AF_UNIX` connection to the attacker-chosen filesystem path from inside the victim application process. The documented custom KMS endpoint feature supports TCP hosts only, so this crosses a boundary the feature was never intended to allow.\n\nImpact is limited to the side effects of the connection itself. The socket is still wrapped in ","public_affected_ranges":[">= 3.9.0, <= 4.18.1"]}],"null_published_at":"2026-11-01T01:03:56.610Z","source_updated_at":"2026-10-05T23:46:54.000Z","source_disclosed_at":"2026-10-05T23:46:53.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}