CVE-2026-59149
Description
Mockoon provides way to design and run mock APIs. Prior to 9.7.0, a FILE response whose filePath embeds request data is confined by getSafeFilePath in packages/commons-server/src/libs/server/server.ts with resolvedPath.startsWith(staticBaseDir). That prefix test has no path-separator boundary, so a ../-escaped path whose absolute form string-prefixes the base directory passes, allowing an unauthenticated client to read files from sibling paths outside the served directory through HTTP sendFile, WebSocket, or callbacks. This issue is fixed in version 9.7.0.
How to fix
- @mockoon/commons-server9.7.0 or later
- @mockoon/cli9.7.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @mockoon/commons-servernpm | v < 9.7.0 | 9.7.0 |
| @mockoon/clinpm | v < 9.7.0 | 9.7.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.