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Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
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 an enum 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.
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{
"vendor": "orval-labs",
"product": "orval",
"versions": [
{
"version": "< 8.21.0",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON