CVE-2026-96759

CVSS 9.8 (critical) · published 2026-09-23

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.

Weakness: CWE-94

Source: NVD CVE-2026-96759

References

• https://github.com/orval-labs/orval
• https://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L784
• https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448f
• https://github.com/orval-labs/orval/pull/4008
• https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j
• https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationid
• https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j

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