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Vulnerability record · CVE-2026-24132 · published 23 January 2026

CVE-2026-24132: Orval command injection vulnerability

Orval · Orval

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.

7.7 CVSS 4.0 High EPSS 0.75% · top 47.0% CWE-77 · Command injectionCWE-94 · Code injection
7.7CVSS 4.0 base score
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/orval-labs/orval/commit/44ca8c1f5f930a3e4cefb6b79b38bcde7f8532a5 Patch
https://github.com/orval-labs/orval/commit/6d8ece07ccb80693ad43edabccb3957aceadcd06 Patch
https://github.com/orval-labs/orval/commit/9b211cddc9f009f8a671e4ac5c6cb72cd8646b62 Patch
https://github.com/orval-labs/orval/pull/2828 Issue TrackingPatch
https://github.com/orval-labs/orval/pull/2829 Issue TrackingPatch
https://github.com/orval-labs/orval/pull/2830 Issue TrackingPatch
https://github.com/orval-labs/orval/releases/tag/v7.20.0 ProductRelease Notes
https://github.com/orval-labs/orval/releases/tag/v8.0.3 ProductRelease Notes
https://github.com/orval-labs/orval/security/advisories/GHSA-f456-rf33-4626 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-24132), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.