CVE-2026-96755: Orval-Labs Orval

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

orval versions 8.14.0 through 8.28.1 contain a code injection vulnerability in the @orval/effect generator that converts OpenAPI schema defaults into template literals. Attackers can inject arbitrary JavaScript expressions via schema defaults containing ${...} syntax, which are executed at module scope when the generated code is built or imported.

Affected products

• Orval-Labs Orval: from 8.14.0, before 8.29.0 (fixed in 8.29.0)

Published 2026-09-23. Last modified 2026-09-23.