Description
openapi-typescript-codegen through 0.31.0 contains a code injection vulnerability that allows attackers controlling an OpenAPI document to inject JavaScript by supplying unescaped values interpolated into single-quoted string literals. Attackers can embed a single quote in path keys, parameter names, servers[0].url, or info.version to execute arbitrary JavaScript when generated clients are imported or service methods called.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-108551 ↗
- github.com/ferdikoomen/openapi-typescript-codegen ↗
- github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/core/OpenAPI.hbs ↗
- github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/exportService.hbs ↗
- github.com/ferdikoomen/openapi-typescript-codegen/issues/2809 ↗
- www.vulncheck.com/advisories/openapi-typescript-codegen-through-0.31.0-code-injection-via-handlebars-templates ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.