{"items":[{"id":"NVI-00009108","kind":"vulnerability","title":"GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller","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-mp66-8ww2-pcwm","CVE-2026-118666"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/executor-legacy-ws. 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-4d8c7d12ad29de14e89c93c1aa1eb60c"],"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},{"summary":"The original advisory lists fixed boundaries 1.1.36 for @graphql-tools/executor-legacy-ws. Confirm the publisher’s latest guidance.","source_ids":["sr-926277d89b90eef938978dda5f908194"],"action_type":"vendor_patch","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":"2026-11-03T00:17:18.020Z","value":"6 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-29f7e910ddb03ae49959068545076c73"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.335%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.26914. Missing scores are unknown.","source_id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c"}],"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-b47f5589c1c398e86346d08c90c6ba22","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-926277d89b90eef938978dda5f908194","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T14:29:35.019Z"},{"id":"sr-29f7e910ddb03ae49959068545076c73","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118666","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-118666","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:16.598Z"},{"id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c","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-2026-118666","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b47f5589c1c398e86346d08c90c6ba22"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["<= 1.1.35"]},{"certainty":"source_listed","source_ids":["sr-926277d89b90eef938978dda5f908194"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["SEMVER: introduced 0; fixed 1.1.36"]}],"null_published_at":"2026-11-03T10:03:31.387Z","source_updated_at":"2026-10-28T21:05:09.000Z","source_disclosed_at":"2026-10-28T21:05:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009108","kind":"vulnerability","title":"GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mp66-8ww2-pcwm","CVE-2026-118666"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/executor-legacy-ws. 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-4d8c7d12ad29de14e89c93c1aa1eb60c"],"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},{"summary":"The original advisory lists fixed boundaries 1.1.36 for @graphql-tools/executor-legacy-ws. Confirm the publisher’s latest guidance.","source_ids":["sr-926277d89b90eef938978dda5f908194"],"action_type":"vendor_patch","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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.335%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.26914. Missing scores are unknown.","source_id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c"}],"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-b47f5589c1c398e86346d08c90c6ba22","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-926277d89b90eef938978dda5f908194","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T14:29:35.019Z"},{"id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c","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-2026-118666","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b47f5589c1c398e86346d08c90c6ba22"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["<= 1.1.35"]},{"certainty":"source_listed","source_ids":["sr-926277d89b90eef938978dda5f908194"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["SEMVER: introduced 0; fixed 1.1.36"]}],"null_published_at":"2026-11-01T14:34:14.086Z","source_updated_at":"2026-10-28T21:05:09.000Z","source_disclosed_at":"2026-10-28T21:05:07.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009108","kind":"vulnerability","title":"GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mp66-8ww2-pcwm","CVE-2026-118666"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/executor-legacy-ws. 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-4d8c7d12ad29de14e89c93c1aa1eb60c"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.335%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.26914. Missing scores are unknown.","source_id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c"}],"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-b47f5589c1c398e86346d08c90c6ba22","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-4d8c7d12ad29de14e89c93c1aa1eb60c","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-2026-118666","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b47f5589c1c398e86346d08c90c6ba22"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["<= 1.1.35"]}],"null_published_at":"2026-10-31T23:18:17.280Z","source_updated_at":"2026-10-28T21:05:09.000Z","source_disclosed_at":"2026-10-28T21:05:07.000Z","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":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009108","kind":"vulnerability","title":"GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mp66-8ww2-pcwm","CVE-2026-118666"],"plain_summary":"GitHub lists this reviewed advisory for @graphql-tools/executor-legacy-ws. 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-b47f5589c1c398e86346d08c90c6ba22"],"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-b47f5589c1c398e86346d08c90c6ba22","url":"https://github.com/advisories/GHSA-mp66-8ww2-pcwm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mp66-8ww2-pcwm","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b47f5589c1c398e86346d08c90c6ba22"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"# Cross-tenant subscription data leak in `@graphql-tools/executor-legacy-ws`: a shared `websocket.onmessage` is replaced on every `subscribe()`, and `DATA` frames are delivered without checking the protocol operation id\n\n## Report metadata\n\n| Field | Value |\n| --- | --- |\n| Package | `@graphql-tools/executor-legacy-ws` (npm, `pkg:npm/%40graphql-tools/executor-legacy-ws`) |\n| Repository | https://github.com/ardatan/graphql-tools |\n| Component | `buildWSLegacyExecutor` → the returned executor's `subscribe(observer)` / `websocket.onmessage` handler |\n| Vulnerability class | Cross-tenant data leak (subscription results delivered to the wrong caller) |\n| Verified against | Source at `b5d1c36ebb8ed3868260ffee5bbcbb423ad5c1f1` (package version 1.1.33); published npm tarball `1.1.33` with matching source at `d304214db06e8a4ce9cb41138f199e3bc6ed36f2`; the same behaviour also reproduces on the current release `1.1.35` |\n| API surface | Public documented API (`buildWSLegacyExecutor`) |\n| Affected in default configuration | Yes — `ensureWebsocket()` reuses an already-`OPEN` socket (`index.ts:35-42`), and the socket has a single mutable `onmessage` property (`index.ts:113`). No single-operation","public_affected_ranges":["<= 1.1.35"]}],"null_published_at":"2026-10-31T22:13:31.283Z","source_updated_at":"2026-10-28T21:05:09.000Z","source_disclosed_at":"2026-10-28T21:05:07.000Z","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":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}