acacode swagger-typescript-api up to 13.12.1 Schema Parser enum.ts code injection

Summaryinfo

A vulnerability categorized as critical has been discovered in acacode swagger-typescript-api up to 13.12.1. The impacted element is an unknown function of the file src/schema-parser/base-schema-parsers/enum.ts of the component Schema Parser. Such manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2026-54664. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in acacode swagger-typescript-api up to 13.12.1. It has been rated as critical. Affected by this issue is an unknown functionality of the file src/schema-parser/base-schema-parsers/enum.ts of the component Schema Parser. 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. CVE summarizes:

swagger-typescript-api generates API clients for Fetch or Axios from an OpenAPI Specification. Prior to 13.12.2, src/schema-parser/base-schema-parsers/enum.ts passes components.schemas.*.enum[i] values to Ts.StringValue in src/configuration.ts without escaping before templates/base/enum-data-contract.ejs renders TypeScript enum declarations, allowing an attacker-controlled OpenAPI spec to inject code that executes when the generated module is imported. This issue is fixed in version 13.12.2.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-54664 since 06/15/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

Upgrading to version 13.12.2 eliminates this vulnerability.

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Productinfo

Type

• Automation Software

Vendor

• acacode

Name

• swagger-typescript-api

Version

• 13.12.0
• 13.12.1

Website

• Product: https://github.com/acacode/swagger-typescript-api/

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