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CVE-2026-24132

9.8 · CRITICAL

Orval generates type-safe JS clients (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification.

Published Jan 23, 2026CWE-77EPSS 0.75%

Overview

CVE-2026-24132 is a critical-severity vulnerability. It was published on January 23, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/orval-labs/orval/commit/44ca8c1f5f930a3e4cefb6b79b38bcde7f8532a5GitHubgithub.com/orval-labs/orval/commit/6d8ece07ccb80693ad43edabccb3957aceadcd06GitHubgithub.com/orval-labs/orval/commit/9b211cddc9f009f8a671e4ac5c6cb72cd8646b62GitHubgithub.com/orval-labs/orval/pull/2828GitHubgithub.com/orval-labs/orval/pull/2829GitHubgithub.com/orval-labs/orval/pull/2830GitHubgithub.com/orval-labs/orval/releases/tag/v7.20.0GitHubgithub.com/orval-labs/orval/releases/tag/v8.0.3GitHubgithub.com/orval-labs/orval/security/advisories/GHSA-f456-rf33-4626

How CyberStrike helps

Frequently asked questions

What is CVE-2026-24132?

CVE-2026-24132 is a critical-severity vulnerability. It was published on January 23, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-24132?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-24132?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-24132?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-24132 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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