[ CVE-2026-108551 · Published 10 Oct 2026 ]
Vulnerability in ferdikoomen openapi-typescript-codegen
CVSS 9.8
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.8
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/ferdikoomen/openapi-typescript-codegen
- github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/core/OpenA…
- github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/exportServ…
- github.com/ferdikoomen/openapi-typescript-codegen/issues/2809
- www.vulncheck.com/advisories/openapi-typescript-codegen-through-0.31.0-code-injection-v…