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CVE-2026-48819

4.8 Moyenne

Publiée le 17/07/2026 à 22:17 · Modifiée le 23/07/2026 à 20:02 · Analyse NVD reportée · Source : security-advisories@github.com

Description

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.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 4.8 Moyenne security-advisories@github.com CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Faiblesses (CWE)

Références

Ailleurs