CVE-2026-96759

CRITICAL

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 9/23/2026Modified: 9/29/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (7)

https://github.com/orval-labs/orvalhttps://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L784https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448fhttps://github.com/orval-labs/orval/pull/4008https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665jhttps://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationidhttps://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j