Threats Tagged 'cve-2026-48819'
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Threats Tagged 'cve-2026-48819'
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CVE-2026-48819: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in hey-api openapi-tsCVE-2026-48819 0 Hey API is an ecosystem for turning API specifications into production-ready code. Prior to 0.97.3, dist/clients/core/params.ts ships a runtime template copied into generated SDKs as params.gen.ts, and buildClientParams writes unknown slot-prefixed keys such as $body_, $headers_, $path_, and $query_ directly to the corresponding slot, allowing $query___proto__ alongside a legitimate q field to set params.query through params["query"]["__proto__"] = value, call Object.setPrototypeOf(params.query, value), and expose inherited attacker-controlled keys during for..in iteration. This issue is fixed in version 0.97.3. Join the discussion | CVE Database V5 | 07/17/2026, 19:46:00 UTC Added: 07/18/2026, 11:08:30 UTC |
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