CVE-2026-108551
openapi-typescript-codegen through 0.31.0 contains a code injection vulnerability that allows…
- Risk score
- 71/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 10 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, o…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
- https://github.com/ferdikoomen/openapi-typescript-codegen
- https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/core/OpenAPI.hbs#L20-L23
- https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/exportService.hbs#L89-L110
- https://github.com/ferdikoomen/openapi-typescript-codegen/issues/2809
- https://www.vulncheck.com/advisories/openapi-typescript-codegen-through-0.31.0-code-injection-via-handlebars-templates
Original 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.
Last activity 10 Oct 2026. Patch Forecast updates every hour.