{"api_version":"1","generated_at":"2026-11-11T16:23:32+00:00","cve":"CVE-2026-114604","urls":{"html":"https://cve.report/CVE-2026-114604","api":"https://cve.report/api/cve/CVE-2026-114604.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-114604","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-114604"},"summary":{"title":"GraphQL Tools: Prototype pollution in mergeIncrementalResult via non-primitive path segments","description":"GraphQL Tools provides utilities for building, stitching, and mocking GraphQL schemas. From 10.10.1 until 12.0.2, the @graphql-tools/utils mergeIncrementalResult helper passes incrementalResult.path segments to setObjectKeyPath without runtime primitive-type validation. A non-primitive segment can bypass strict comparisons against __proto__, constructor, and prototype, then be coerced during property access so a malicious or compromised upstream incremental GraphQL response writes attacker-controlled properties to Object.prototype in the consuming Node.js process. The affected implementation is packages/utils/src/mergeIncrementalResult.ts and is reachable when consumers merge untrusted @defer or @stream transport results. 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From 10.10.1 until 12.0.2, the @graphql-tools/utils mergeIncrementalResult helper passes incrementalResult.path segments to setObjectKeyPath without runtime primitive-type validation. A non-primitive segment can bypass strict comparisons against __proto__, constructor, and prototype, then be coerced during property access so a malicious or compromised upstream incremental GraphQL response writes attacker-controlled properties to Object.prototype in the consuming Node.js process. The affected implementation is packages/utils/src/mergeIncrementalResult.ts and is reachable when consumers merge untrusted @defer or @stream transport results. This issue is fixed in version 12.0.2.","Type":"Description","Title":"GraphQL Tools: Prototype pollution in mergeIncrementalResult via"}]}}}