Vulnerability · Published Sep 23, 2026 · Assigned by VulnCheck
CVE-2026-96758orval @orval/core before 8.28.0 Code Injection via Form-Data
Critical 9.8
In plain English
A critical-severity code injection in orval from orval-labs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| orval-labs | orval | 0 – before 8.28.0 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-jwhm-6748-j6pq) vendor-advisory
- https://github.com/orval-labs/orval/pull/3988 patch, issue-tracking
- https://github.com/orval-labs/orval/commit/975a769a76151354dead879feadfa3537ff065fe patch
- https://github.com/orval-labs/orval/blob/v8.27.0/packages/core/src/getters/res-req-types.ts#L808 technical-description
- https://github.com/orval-labs/orval product
- VulnCheck Advisory: orval @orval/core before 8.28.0 Code Injection via Form-Data third-party-advisory