CVE-2026-108551
CRITICAL
CVSS 9.8
Published: 2026-10-10
Modified: 2026-10-10
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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.
Quick Facts
| CVE ID | CVE-2026-108551 |
| CVSS Score | 9.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-10 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/ferdikoomen/openapi-typescript-codegen
- https://github.com/ferdikoomen/openapi-typescript-codegen/bl…
- https://github.com/ferdikoomen/openapi-typescript-codegen/bl…
- https://github.com/ferdikoomen/openapi-typescript-codegen/is…
- https://www.vulncheck.com/advisories/openapi-typescript-code…