Junglewise Threat Intelligence

CVE-2026-96759: orval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata object

CVE-2026-96759 · Severity: critical · CVSS 9.8 · Published 2026-09-23

Executive brief

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.