CVE-2026-96759

CRITICAL 9.8

orval before 8.29.0 Code Injection via operationId

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-94
Vendor	orval-labs
Product	orval
Published	Sep 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

orval-labs / orval

0 < 8.29.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Enrik Mustafa