Vulnerability · Published Sep 23, 2026 · Assigned by VulnCheck
CVE-2026-96755orval @orval/effect 8.14.0 through 8.28.1 Code Injection
Critical 9.8
In plain English
A critical-severity code injection in orval from orval-labs. There are no confirmed reports of exploitation so far. 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: none
Attack toolingNoneno public tooling known
Official description
orval versions 8.14.0 through 8.28.1 contain a code injection vulnerability in the @orval/effect generator that converts OpenAPI schema defaults into template literals. Attackers can inject arbitrary JavaScript expressions via schema defaults containing ${...} syntax, which are executed at module scope when the generated code is built or imported.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| orval-labs | orval | 8.14.0 – before 8.29.0 |
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-q7f2-jg6j-r867) vendor-advisory
- https://github.com/orval-labs/orval/pull/3995 patch, issue-tracking
- https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23 patch
- https://github.com/orval-labs/orval/blob/v8.28.1/packages/effect/src/index.ts#L298-L302 technical-description
- https://github.com/orval-labs/orval product
- VulnCheck Advisory: orval @orval/effect 8.14.0 through 8.28.1 Code Injection third-party-advisory