Vulnerability Details CVE-2026-24132
Orval generates type-safe JS clients (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification. Versions
7.19.0 and below and 8.0.0-rc.0 through 8.0.2 allow untrusted OpenAPI specifications to inject arbitrary TypeScript/JavaScript into generated mock files via the const keyword on schema properties. These const values are interpolated into the mock scalar generator (getMockScalar in packages/mock/src/faker/getters/scalar.ts) without proper escaping or type-safe serialization, which results in attacker-controlled code being emitted into both interface definitions and faker/MSW handlers. The vulnerability is similar in impact to the previously reported enum x-enumDescriptions (GHSA-h526-wf6g-67jv), but it affects a different code path in the faker-based mock generator rather than @orval/core. The issue has been fixed in versions 7.20.0 and 8.0.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.2%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-24132
-
cpe:2.3:a:orval:orval:6.0.0
-
cpe:2.3:a:orval:orval:6.0.1
-
cpe:2.3:a:orval:orval:6.0.2
-
cpe:2.3:a:orval:orval:6.0.3
-
cpe:2.3:a:orval:orval:6.0.4
-
cpe:2.3:a:orval:orval:6.1.0
-
cpe:2.3:a:orval:orval:6.1.1
-
cpe:2.3:a:orval:orval:6.1.2
-
cpe:2.3:a:orval:orval:6.10.0
-
cpe:2.3:a:orval:orval:6.10.1
-
cpe:2.3:a:orval:orval:6.10.2
-
cpe:2.3:a:orval:orval:6.10.3
-
cpe:2.3:a:orval:orval:6.11.0
-
cpe:2.3:a:orval:orval:6.11.1
-
cpe:2.3:a:orval:orval:6.12.0
-
cpe:2.3:a:orval:orval:6.12.1
-
cpe:2.3:a:orval:orval:6.13.0
-
cpe:2.3:a:orval:orval:6.13.1
-
cpe:2.3:a:orval:orval:6.14.0
-
cpe:2.3:a:orval:orval:6.14.1
-
cpe:2.3:a:orval:orval:6.14.2
-
cpe:2.3:a:orval:orval:6.14.3
-
cpe:2.3:a:orval:orval:6.14.4
-
cpe:2.3:a:orval:orval:6.15.0
-
cpe:2.3:a:orval:orval:6.16.0
-
cpe:2.3:a:orval:orval:6.17.0
-
cpe:2.3:a:orval:orval:6.18.0
-
cpe:2.3:a:orval:orval:6.18.1
-
cpe:2.3:a:orval:orval:6.19.0
-
cpe:2.3:a:orval:orval:6.19.1
-
cpe:2.3:a:orval:orval:6.2.0
-
cpe:2.3:a:orval:orval:6.2.1
-
cpe:2.3:a:orval:orval:6.2.2
-
cpe:2.3:a:orval:orval:6.2.3
-
cpe:2.3:a:orval:orval:6.2.4
-
cpe:2.3:a:orval:orval:6.20.0
-
cpe:2.3:a:orval:orval:6.21.0
-
cpe:2.3:a:orval:orval:6.22.0
-
cpe:2.3:a:orval:orval:6.22.1
-
cpe:2.3:a:orval:orval:6.23.0
-
cpe:2.3:a:orval:orval:6.24.0
-
cpe:2.3:a:orval:orval:6.25.0
-
cpe:2.3:a:orval:orval:6.26.0
-
cpe:2.3:a:orval:orval:6.27.0
-
cpe:2.3:a:orval:orval:6.27.1
-
cpe:2.3:a:orval:orval:6.28.0
-
cpe:2.3:a:orval:orval:6.28.1
-
cpe:2.3:a:orval:orval:6.28.2
-
cpe:2.3:a:orval:orval:6.29.0
-
cpe:2.3:a:orval:orval:6.29.1
-
cpe:2.3:a:orval:orval:6.3.0
-
cpe:2.3:a:orval:orval:6.30.0
-
cpe:2.3:a:orval:orval:6.30.1
-
cpe:2.3:a:orval:orval:6.30.2
-
cpe:2.3:a:orval:orval:6.31.0
-
cpe:2.3:a:orval:orval:6.4.0
-
cpe:2.3:a:orval:orval:6.4.1
-
cpe:2.3:a:orval:orval:6.4.2
-
cpe:2.3:a:orval:orval:6.4.3
-
cpe:2.3:a:orval:orval:6.5.0
-
cpe:2.3:a:orval:orval:6.5.1
-
cpe:2.3:a:orval:orval:6.5.2
-
cpe:2.3:a:orval:orval:6.5.3
-
cpe:2.3:a:orval:orval:6.6.0
-
cpe:2.3:a:orval:orval:6.6.1
-
cpe:2.3:a:orval:orval:6.6.2
-
cpe:2.3:a:orval:orval:6.6.3
-
cpe:2.3:a:orval:orval:6.6.4
-
cpe:2.3:a:orval:orval:6.7.0
-
cpe:2.3:a:orval:orval:6.7.1
-
cpe:2.3:a:orval:orval:6.8.0
-
cpe:2.3:a:orval:orval:6.8.1
-
cpe:2.3:a:orval:orval:6.9.0
-
cpe:2.3:a:orval:orval:6.9.1
-
cpe:2.3:a:orval:orval:6.9.2
-
cpe:2.3:a:orval:orval:6.9.3
-
cpe:2.3:a:orval:orval:6.9.4
-
cpe:2.3:a:orval:orval:6.9.5
-
cpe:2.3:a:orval:orval:6.9.6
-
cpe:2.3:a:orval:orval:7.0.0
-
cpe:2.3:a:orval:orval:7.0.1
-
cpe:2.3:a:orval:orval:7.1.0
-
cpe:2.3:a:orval:orval:7.1.1
-
cpe:2.3:a:orval:orval:7.10.0
-
cpe:2.3:a:orval:orval:7.11.0
-
cpe:2.3:a:orval:orval:7.11.1
-
cpe:2.3:a:orval:orval:7.11.2
-
cpe:2.3:a:orval:orval:7.12.1
-
cpe:2.3:a:orval:orval:7.12.2
-
cpe:2.3:a:orval:orval:7.13.0
-
cpe:2.3:a:orval:orval:7.13.1
-
cpe:2.3:a:orval:orval:7.13.2
-
cpe:2.3:a:orval:orval:7.14.0
-
cpe:2.3:a:orval:orval:7.15.0
-
cpe:2.3:a:orval:orval:7.16.0
-
cpe:2.3:a:orval:orval:7.16.1
-
cpe:2.3:a:orval:orval:7.17.0
-
cpe:2.3:a:orval:orval:7.17.2
-
cpe:2.3:a:orval:orval:7.18.0
-
cpe:2.3:a:orval:orval:7.19.0
-
cpe:2.3:a:orval:orval:7.2.0
-
cpe:2.3:a:orval:orval:7.3.0
-
cpe:2.3:a:orval:orval:7.4.0
-
cpe:2.3:a:orval:orval:7.4.1
-
cpe:2.3:a:orval:orval:7.5.0
-
cpe:2.3:a:orval:orval:7.6.0
-
cpe:2.3:a:orval:orval:7.7.0
-
cpe:2.3:a:orval:orval:7.8.0
-
cpe:2.3:a:orval:orval:7.9.0
-
cpe:2.3:a:orval:orval:8.0.0
-
cpe:2.3:a:orval:orval:8.0.1
-
cpe:2.3:a:orval:orval:8.0.2