orval-labs orval up to 8.28.x operationId cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in orval-labs orval up to 8.28.x. The impacted element is an unknown function. Performing a manipulation of the argument operationId results in cross site scripting. This vulnerability was named CVE-2026-96759. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in orval-labs orval up to 8.28.x. This affects an unknown functionality. The manipulation of the argument operationId 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 before 8.29.0 fails to escape the operationId parameter when emitting it into generated TanStack Query mutator options metadata objects. Attackers can inject arbitrary JavaScript code through a crafted operationId in an OpenAPI specification that executes when generated hooks are called.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-96759 since 09/23/2026. 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 are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 8.29.0 eliminates this vulnerability.

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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
• 8.21
• 8.22
• 8.23
• 8.24
• 8.25
• 8.26
• 8.27
• 8.28

Website

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

CPE 2.3info

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CPE 2.2info

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