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CVE-2025-53927

Description

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.0.0, the sandbox design rules can be bypassed because MaxKB only restricts the execution permissions of files in a specific directory. Therefore, an attacker can use the `shutil.copy2` method in Python to copy the command they want to execute to the executable directory. This bypasses directory restrictions and reverse shell. Version 2.0.0 fixes the issue.

POC

Reference

- https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-5xhm-4j3v-87m4

Github

No PoCs found on GitHub currently.