CVE-2026-62682

Orval generates type-safe JavaScript clients in TypeScript from OpenAPI v3 and Swagger v2 specifications. Prior to 8.21.0, an unescaped backtick in servers[0].url is emitted into request URL template literals generated when output.baseUrl.getBaseUrlFromSpecification is enabled without safe encoding. This permits attacker-controlled JavaScript to be evaluated when a generated request or URL-builder function is called, resulting in code execution in the developer, CI, test, or application environment. The affected code is packages/core/src/getters/route.ts function getFullRoute. This issue is fixed in version 8.21.0.

• CWE-94
• CWE-116
• CWE-1336

• https://github.com/orval-labs/orval/commit/8ef1bfdf3f9bcaf9dabfbe2e42887f1c0e159ab6
• https://github.com/orval-labs/orval/pull/3692
• https://github.com/orval-labs/orval/releases/tag/v8.21.0
• https://github.com/orval-labs/orval/security/advisories/GHSA-88f2-fpv8-89q2
• https://github.com/orval-labs/orval/security/advisories/GHSA-88f2-fpv8-89q2

Published

Aug 19, 2026

Last Modified

Sep 9, 2026

Status

Deferred

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