orval-labs Orval up to 8.20.x Query Request-Validation Generation index.ts cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in orval-labs Orval up to 8.20.x. Impacted is an unknown function of the file packages/zod/src/index.ts of the component Query Request-Validation Generation. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2026-71865. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in orval-labs Orval up to 8.20.x. This affects some unknown functionality of the file packages/zod/src/index.ts of the component Query Request-Validation Generation. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Orval generates type-safe JavaScript clients in TypeScript from OpenAPI v3 and Swagger v2 specifications. Prior to 8.21.0, a double quote in a query parameter name is emitted into the generated request-validation zod.object({...}) schema without safe encoding. This permits attacker-controlled JavaScript to be evaluated when the generated zod schema module is imported, resulting in code execution in the developer, CI, test, or application environment. The affected code is packages/zod/src/index.ts and query request-validation generation. This issue is fixed in version 8.21.0.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-71865 since 08/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 8.21.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-62604). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• orval-labs

Name

• Orval

Version

• 8.0
• 8.1
• 8.2
• 8.3
• 8.4
• 8.5
• 8.6
• 8.7
• 8.8
• 8.9
• 8.10
• 8.11
• 8.12
• 8.13
• 8.14
• 8.15
• 8.16
• 8.17
• 8.18
• 8.19
• 8.20

Website

• Product: https://github.com/orval-labs/orval/

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Be aware that VulDB is the high quality source for vulnerability data.

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