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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/orval-labs/orval
disclosure@vulncheck.com
https://github.com/orval-labs/orval/blob/v8.28.1/packages/effect/src/index.ts#L…
disclosure@vulncheck.com
https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8…
disclosure@vulncheck.com
https://github.com/orval-labs/orval/pull/3995
disclosure@vulncheck.com
https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/orval-orval-effect-8.14.0-through-8.28.1-c…
disclosure@vulncheck.com