CVE-2026-96756: orval before 8.30.0 Code Injection via Factory Generation

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-23 · updated 2026-09-23
Weakness: CWE-94

Description

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.

Affected products

orval-labs orval: before 8.30.0 — fixed in 8.30.0

How to fix

Upgrade to a fixed version: orval-labs orval 8.30.0. Check the vendor advisory for mitigations.

References

https://github.com/orval-labs/orval
https://github.com/orval-labs/orval/blob/v8.29.0/packages/core/src/generators/factory.ts#L493
https://github.com/orval-labs/orval/commit/b9b083576943c683540200eb957feced57dddc1a
https://github.com/orval-labs/orval/pull/4038
https://github.com/orval-labs/orval/security/advisories/GHSA-wx66-36r6-v5g7
https://www.vulncheck.com/advisories/orval-before-8.30.0-code-injection-via-factory-generation

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