CVE-2026-96759

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 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

29 Sep 2026, 02:16

Type	Values Removed	Values Added
References	~~() https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j -~~	() https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j -

23 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-23 17:17

Updated : 2026-09-29 02:16

NVD link : CVE-2026-96759

Mitre link : CVE-2026-96759

CVE.ORG link : CVE-2026-96759

JSON object : View

Products Affected

No product.

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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