CVE WatchJul 10, 2026

CVE-2026-59149

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 getSafeF

CVSS

6.5

Medium

EPSS

0.3%

p25

KEV

—

Exploit Today

0-100

Published: Jul 9, 2026 · Last modified: Jul 10, 2026 · CWE-22 · CWE-23

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-07-102026-07-21

Technical 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.

Official references

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