CVE-2026-96755

EUVD-2026-85405
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
orvalorval
8.14.0 ≤
𝑥
< 8.29.0
CNA
Common Weakness Enumeration
References
https://github.com/orval-labs/orval
https://github.com/orval-labs/orval/blob/v8.28.1/packages/effect/src/index.ts#L298-L302
https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23
https://github.com/orval-labs/orval/pull/3995
https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867
https://www.vulncheck.com/advisories/orval-orval-effect-8.14.0-through-8.28.1-code-injection
https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867