{"items":[{"id":"NVI-00012212","kind":"vulnerability","title":"GraphQL Tools: TLS Certificate Validation Disabled in Legacy GraphQL WebSocket Executor","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6fw5-9hq8-w87g","CVE-2026-103921"],"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-26c40b2266a1b15da235be97d2fb887a"],"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":"2026-10-05T22:56:58.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1e635ddad105d46e74c9f64ed73ce2cd"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.274%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19754. Missing scores are unknown.","source_id":"sr-26c40b2266a1b15da235be97d2fb887a"}],"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-1e635ddad105d46e74c9f64ed73ce2cd","url":"https://github.com/advisories/GHSA-6fw5-9hq8-w87g","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6fw5-9hq8-w87g","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-26c40b2266a1b15da235be97d2fb887a","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-2026-103921","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.838Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1e635ddad105d46e74c9f64ed73ce2cd"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"## Impact\n\n`buildWSLegacyExecutor()` in `@graphql-tools/executor-legacy-ws` previously hardcoded `rejectUnauthorized: false` when creating WebSocket connections over WSS. This disabled TLS certificate validation, allowing a network-positioned attacker to perform a Man-in-the-Middle (MITM) attack against applications that use this executor with a `wss://` endpoint. Credentials passed via `connectionParams` or `headers` could be intercepted, and subscription data could be tampered with.\n\n**Who is impacted:** Applications using `@graphql-tools/executor-legacy-ws` (directly or via `@graphql-tools/url-loader` with `SubscriptionProtocol.LEGACY_WS`) to connect to a `wss://` endpoint from Node.js while sending authentication material over the connection.\n\nBrowser WebSocket clients are unaffected by this option (browsers always validate certificates).\n\n## Patches\n\nUpgrade to `@graphql-tools/executor-legacy-ws@1.1.35` or later (and `@graphql-tools/url-loader@9.1.9` or later if you use the loader). TLS certificate validation is enabled by default. Callers that intentionally use self-signed certificates in trusted environments can opt out with `rejectUnauthorized: false`.\n\n## Workarounds\n\n- Pr","public_affected_ranges":["<= 1.1.34"]}],"null_published_at":"2026-11-08T19:53:33.666Z","source_updated_at":"2026-10-05T22:56:58.000Z","source_disclosed_at":"2026-10-05T22:56:56.000Z","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-00012212","kind":"vulnerability","title":"GraphQL Tools: TLS Certificate Validation Disabled in Legacy GraphQL WebSocket Executor","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6fw5-9hq8-w87g","CVE-2026-103921"],"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-2322719380f2feff84fe077df31a1e22"],"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":"2026-10-05T22:56:58.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1e635ddad105d46e74c9f64ed73ce2cd"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.274%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19776. Missing scores are unknown.","source_id":"sr-2322719380f2feff84fe077df31a1e22"}],"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-1e635ddad105d46e74c9f64ed73ce2cd","url":"https://github.com/advisories/GHSA-6fw5-9hq8-w87g","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6fw5-9hq8-w87g","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-2322719380f2feff84fe077df31a1e22","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-2026-103921","publisher":"FIRST EPSS","observed_at":"2026-11-01T07:23:29.864Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1e635ddad105d46e74c9f64ed73ce2cd"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"## Impact\n\n`buildWSLegacyExecutor()` in `@graphql-tools/executor-legacy-ws` previously hardcoded `rejectUnauthorized: false` when creating WebSocket connections over WSS. This disabled TLS certificate validation, allowing a network-positioned attacker to perform a Man-in-the-Middle (MITM) attack against applications that use this executor with a `wss://` endpoint. Credentials passed via `connectionParams` or `headers` could be intercepted, and subscription data could be tampered with.\n\n**Who is impacted:** Applications using `@graphql-tools/executor-legacy-ws` (directly or via `@graphql-tools/url-loader` with `SubscriptionProtocol.LEGACY_WS`) to connect to a `wss://` endpoint from Node.js while sending authentication material over the connection.\n\nBrowser WebSocket clients are unaffected by this option (browsers always validate certificates).\n\n## Patches\n\nUpgrade to `@graphql-tools/executor-legacy-ws@1.1.35` or later (and `@graphql-tools/url-loader@9.1.9` or later if you use the loader). TLS certificate validation is enabled by default. Callers that intentionally use self-signed certificates in trusted environments can opt out with `rejectUnauthorized: false`.\n\n## Workarounds\n\n- Pr","public_affected_ranges":["<= 1.1.34"]}],"null_published_at":"2026-11-01T22:58:19.121Z","source_updated_at":"2026-10-05T22:56:58.000Z","source_disclosed_at":"2026-10-05T22:56:56.000Z","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-00012212","kind":"vulnerability","title":"GraphQL Tools: TLS Certificate Validation Disabled in Legacy GraphQL WebSocket Executor","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6fw5-9hq8-w87g","CVE-2026-103921"],"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-1e635ddad105d46e74c9f64ed73ce2cd"],"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":"2026-10-05T22:56:58.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1e635ddad105d46e74c9f64ed73ce2cd"}],"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-1e635ddad105d46e74c9f64ed73ce2cd","url":"https://github.com/advisories/GHSA-6fw5-9hq8-w87g","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6fw5-9hq8-w87g","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1e635ddad105d46e74c9f64ed73ce2cd"],"technology":"@graphql-tools/executor-legacy-ws","known_exclusions":[],"conditions_summary":"## Impact\n\n`buildWSLegacyExecutor()` in `@graphql-tools/executor-legacy-ws` previously hardcoded `rejectUnauthorized: false` when creating WebSocket connections over WSS. This disabled TLS certificate validation, allowing a network-positioned attacker to perform a Man-in-the-Middle (MITM) attack against applications that use this executor with a `wss://` endpoint. Credentials passed via `connectionParams` or `headers` could be intercepted, and subscription data could be tampered with.\n\n**Who is impacted:** Applications using `@graphql-tools/executor-legacy-ws` (directly or via `@graphql-tools/url-loader` with `SubscriptionProtocol.LEGACY_WS`) to connect to a `wss://` endpoint from Node.js while sending authentication material over the connection.\n\nBrowser WebSocket clients are unaffected by this option (browsers always validate certificates).\n\n## Patches\n\nUpgrade to `@graphql-tools/executor-legacy-ws@1.1.35` or later (and `@graphql-tools/url-loader@9.1.9` or later if you use the loader). TLS certificate validation is enabled by default. Callers that intentionally use self-signed certificates in trusted environments can opt out with `rejectUnauthorized: false`.\n\n## Workarounds\n\n- Pr","public_affected_ranges":["<= 1.1.34"]}],"null_published_at":"2026-11-01T01:45:38.498Z","source_updated_at":"2026-10-05T22:56:58.000Z","source_disclosed_at":"2026-10-05T22:56:56.000Z","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"}