CVE-2026-96759
criticalorval before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects.
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
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-23 17:17
Modified: 2026-09-29 02:16
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/orval-labs/orval disclosure@vulncheck.com
- https://github.com/orval-labs/orval/blob/v8.28.1/packages/query/src/query-generator.ts#L78... disclosure@vulncheck.com
- https://github.com/orval-labs/orval/commit/b28c53f3e0c06190e0f6ea136737e6316432448f disclosure@vulncheck.com
- https://github.com/orval-labs/orval/pull/4008 disclosure@vulncheck.com
- https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-operationid disclosure@vulncheck.com
- https://github.com/orval-labs/orval/security/advisories/GHSA-vv88-cm6j-665j 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗