Description
Orval generates type-safe JavaScript clients in TypeScript from OpenAPI v3 and Swagger v2 specifications. Prior to 8.21.0, an unescaped backtick in servers[0].url is emitted into request URL template literals generated when output.baseUrl.getBaseUrlFromSpecification is enabled without safe encoding. This permits attacker-controlled JavaScript to be evaluated when a generated request or URL-builder function is called, resulting in code execution in the developer, CI, test, or application environment. The affected code is packages/core/src/getters/route.ts function getFullRoute. This issue is fixed in version 8.21.0.
Published: 2026-08-19
Score: 9.3 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 19 Aug 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Orval-labs
Orval-labs orval
Vendors & Products Orval-labs
Orval-labs orval

Wed, 19 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 19 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description Orval generates type-safe JavaScript clients in TypeScript from OpenAPI v3 and Swagger v2 specifications. Prior to 8.21.0, an unescaped backtick in servers[0].url is emitted into request URL template literals generated when output.baseUrl.getBaseUrlFromSpecification is enabled without safe encoding. This permits attacker-controlled JavaScript to be evaluated when a generated request or URL-builder function is called, resulting in code execution in the developer, CI, test, or application environment. The affected code is packages/core/src/getters/route.ts function getFullRoute. This issue is fixed in version 8.21.0.
Title Orval: RCE via servers[].url -> unescaped request-URL template literal (with getBaseUrlFromSpecification)
Weaknesses CWE-116
CWE-1336
CWE-94
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Orval-labs Orval
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-08-19T18:19:27.462Z

Reserved: 2026-07-14T20:22:04.395Z

Link: CVE-2026-62682

cve-icon Vulnrichment

Updated: 2026-08-19T18:18:58.103Z

cve-icon NVD

Status : Received

Published: 2026-08-19T18:16:54.520

Modified: 2026-08-19T19:17:22.190

Link: CVE-2026-62682

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-19T19:45:03Z

Weaknesses