CVE-2026-72716 – Orval: Import-time RCE via query-parameter default -> zod module-level template literal

​CVE ID :CVE-2026-72716

Published : Aug. 19, 2026, 6:17 p.m. | 27 minutes ago

Description :Orval generates type-safe JavaScript clients in TypeScript from OpenAPI v3 and Swagger v2 specifications. Prior to 8.21.0, a ${…} expression or backtick in a query parameter default is emitted into a module-level template literal emitted by zod schema generation without safe encoding. This permits attacker-controlled JavaScript to be evaluated when the generated zod schema module is imported, resulting in code execution in the developer, CI, test, or application environment. The affected code is packages/zod/src/index.ts function formatDefaultValue. This issue is fixed in version 8.21.0.

Severity: 9.3 | CRITICAL

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