RCE in Orval-Labs Orval
CVE-2026-96756
orval versions before 8.30.0 contain a code injection vulnerability in the @orval/core factory generator that fails to escape date default values in new Date() calls. Attackers can inject arbitrary expressions through apostrophes in OpenAPI schema defaults to execute code with the privileges of the consumer process when factoryMethods and useDates options are enabled.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.009 · change: +0.004
Affected products
Weakness classification (CWE)
References
- github.com/orval-labs/orval/security/advisories/GHSA-wx66-36r6-v5g7 (vendor-advisory)
- github.com/orval-labs/orval/pull/4038 (issue-tracking, patch)
- github.com/orval-labs/orval/commit/b9b083576943c683540200eb957feced57dddc1a (patch)
- github.com/orval-labs/orval/blob/v8.29.0/packages/core/src/generators/factory.ts (technical-description)
- github.com/orval-labs/orval (product)
- www.vulncheck.com/advisories/orval-before-8.30.0-code-injection-via-factory-gen… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-96756?
- CVE-2026-96756 is a high-severity vulnerability in Orval-Labs Orval, classified under Code Injection. CVSS score: 8.1/10. Published 2026-09-23.
- How severe is CVE-2026-96756?
- High severity. CVSS v3 base score is 8.1 out of 10.