CVE-2026-96758

orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges.

• https://github.com/orval-labs/orval
• https://github.com/orval-labs/orval/blob/v8.27.0/packages/core/src/getters/res-req-types.ts#L808
• https://github.com/orval-labs/orval/commit/975a769a76151354dead879feadfa3537ff065fe
• https://github.com/orval-labs/orval/pull/3988
• https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq
• https://www.vulncheck.com/advisories/orval-orval-core-before-8.28.0-code-injection-via-form-data
• https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq