Is CVE-2026-96759 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-96759?

CVE-2026-96759 has a CVSS v3 severity of CRITICAL (9.8).

Back

CVE-2026-96759

Description

orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects. Attackers can inject arbitrary JavaScript code through a crafted operationId in an OpenAPI specification that executes when generated hooks are called.