AIKIDO-2026-148326
apimock is vulnerable to Path Traversal
78
High Risk
This Affects:
apimockTL;DR
The file-serving fallback joins a request-derived path onto the configured response directory and checks only that the resolved path exists, never that it stays inside that directory. A request carrying a raw .. segment can therefore read any file the process can open, returned with HTTP 200. The fix canonicalizes each resolved path and rejects anything outside the base directory.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and the mock server is reachable by clients that can send raw .. path segments.
Background info
apimock is vulnerable to Path Traversal in versions 2.0.3 - 4.8.0.
How to fix this
Upgrade the apimock library to the patch version.
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