{"items":[{"id":"NVI-00012978","kind":"vulnerability","title":"GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`","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-7mx3-vvmw-hjmv","CVE-2026-104852"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/utils. 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-00ea9b96b7bcad6243a604bc3232ddd2"],"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":"2026-10-06T15:17:13.110Z","value":"8.2 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-687b25e4f9ba00a0ba5a5fbff6fdf2b3"},{"kind":"EPSS","as_of":"2026-11-06T12:00:23.000Z","value":"0.452%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39418. Missing scores are unknown.","source_id":"sr-00ea9b96b7bcad6243a604bc3232ddd2"}],"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-2a35316f29619a921a266c043549bc10","url":"https://github.com/advisories/GHSA-7mx3-vvmw-hjmv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7mx3-vvmw-hjmv","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-687b25e4f9ba00a0ba5a5fbff6fdf2b3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104852","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-104852","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"},{"id":"sr-00ea9b96b7bcad6243a604bc3232ddd2","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-2026-104852","publisher":"FIRST EPSS","observed_at":"2026-11-06T20:58:43.511Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2a35316f29619a921a266c043549bc10"],"technology":"@graphql-tools/utils","known_exclusions":[],"conditions_summary":"Closed by https://github.com/ardatan/graphql-tools/pull/8423\nMitigated in Hive Gateway by https://github.com/graphql-hive/gateway/pull/2600\n\nA client can alias fields to `constructor`, `__proto__` or `prototype` so that the response keys from two subgraphs collide on those names during result merging. Because `mergeDeep` recursed through inherited properties, the merge walked `{}.constructor` to `Object`, then `Object.__proto__` to `Function.prototype`, and wrote a subgraph-supplied value over `Function.prototype.call`, breaking every subsequent request in the process until restart. This is remotely triggerable by an unauthenticated client with a single query against any supergraph that merges an object from two subgraphs, which is the ordinary `@shareable` or entity case, so it is a denial of service rather than a theoretical hardening issue.\n\n\n```graphql\n{\n  shared {\n    fieldA\n    constructor: fieldB {\n      __proto__: child {\n        call: value\n      }\n    }\n  }\n}\n```","public_affected_ranges":["<= 12.0.0"]}],"null_published_at":"2026-11-07T22:29:26.077Z","source_updated_at":"2026-10-05T22:56:48.000Z","source_disclosed_at":"2026-10-05T22:56:46.000Z","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":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00012978","kind":"vulnerability","title":"GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`","revision":2,"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-7mx3-vvmw-hjmv","CVE-2026-104852"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/utils. 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-687b25e4f9ba00a0ba5a5fbff6fdf2b3"],"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":"2026-10-06T15:17:13.110Z","value":"8.2 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-687b25e4f9ba00a0ba5a5fbff6fdf2b3"}],"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-2a35316f29619a921a266c043549bc10","url":"https://github.com/advisories/GHSA-7mx3-vvmw-hjmv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7mx3-vvmw-hjmv","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-687b25e4f9ba00a0ba5a5fbff6fdf2b3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104852","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-104852","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2a35316f29619a921a266c043549bc10"],"technology":"@graphql-tools/utils","known_exclusions":[],"conditions_summary":"Closed by https://github.com/ardatan/graphql-tools/pull/8423\nMitigated in Hive Gateway by https://github.com/graphql-hive/gateway/pull/2600\n\nA client can alias fields to `constructor`, `__proto__` or `prototype` so that the response keys from two subgraphs collide on those names during result merging. Because `mergeDeep` recursed through inherited properties, the merge walked `{}.constructor` to `Object`, then `Object.__proto__` to `Function.prototype`, and wrote a subgraph-supplied value over `Function.prototype.call`, breaking every subsequent request in the process until restart. This is remotely triggerable by an unauthenticated client with a single query against any supergraph that merges an object from two subgraphs, which is the ordinary `@shareable` or entity case, so it is a denial of service rather than a theoretical hardening issue.\n\n\n```graphql\n{\n  shared {\n    fieldA\n    constructor: fieldB {\n      __proto__: child {\n        call: value\n      }\n    }\n  }\n}\n```","public_affected_ranges":["<= 12.0.0"]}],"null_published_at":"2026-11-07T07:07:42.482Z","source_updated_at":"2026-10-05T22:56:48.000Z","source_disclosed_at":"2026-10-05T22:56:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00012978","kind":"vulnerability","title":"GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-7mx3-vvmw-hjmv","CVE-2026-104852"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/utils. 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-2a35316f29619a921a266c043549bc10"],"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":[],"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-2a35316f29619a921a266c043549bc10","url":"https://github.com/advisories/GHSA-7mx3-vvmw-hjmv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7mx3-vvmw-hjmv","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2a35316f29619a921a266c043549bc10"],"technology":"@graphql-tools/utils","known_exclusions":[],"conditions_summary":"Closed by https://github.com/ardatan/graphql-tools/pull/8423\nMitigated in Hive Gateway by https://github.com/graphql-hive/gateway/pull/2600\n\nA client can alias fields to `constructor`, `__proto__` or `prototype` so that the response keys from two subgraphs collide on those names during result merging. Because `mergeDeep` recursed through inherited properties, the merge walked `{}.constructor` to `Object`, then `Object.__proto__` to `Function.prototype`, and wrote a subgraph-supplied value over `Function.prototype.call`, breaking every subsequent request in the process until restart. This is remotely triggerable by an unauthenticated client with a single query against any supergraph that merges an object from two subgraphs, which is the ordinary `@shareable` or entity case, so it is a denial of service rather than a theoretical hardening issue.\n\n\n```graphql\n{\n  shared {\n    fieldA\n    constructor: fieldB {\n      __proto__: child {\n        call: value\n      }\n    }\n  }\n}\n```","public_affected_ranges":["<= 12.0.0"]}],"null_published_at":"2026-11-01T07:29:12.906Z","source_updated_at":"2026-10-05T22:56:48.000Z","source_disclosed_at":"2026-10-05T22:56:46.000Z","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":"2026-11-01T01:39:10.636Z"}],"next_cursor":null,"snapshot_revision":"42594"}