orval-labs orval up to 8.27.x Form-Data Serializer code injection

Summaryinfo

A vulnerability identified as critical has been detected in orval-labs orval up to 8.27.x. This issue affects some unknown processing of the component Form-Data Serializer. The manipulation leads to code injection. This vulnerability is documented as CVE-2026-96758. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in orval-labs orval up to 8.27.x. This issue affects some unknown functionality of the component Form-Data Serializer. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-96758 since 09/23/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 8.28.0 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

Website

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

CPE 2.3info

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CPE 2.2info

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Entryinfo

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