External Control of File Name or Path

Overview apm-cli is a MCP configuration tool Affected versions of this package are vulnerable to External Control of File Name or Path through the tar.extractall function in legacy-bundle probing on Windows systems running Python versions earlier than 3.12. An attacker can overwrite arbitrary fil...

CVE-2026-46383 Microsoft APM: Windows absolute-path tar member overwrite during legacy-bundle probing in `apm install`

Microsoft APM is an open-source, community-driven dependency manager for AI agents. Prior to 0.13.0, Microsoft APM contains a Windows-specific archive extraction boundary failure in the legacy-bundle probe used by apm install on supported Python 3.10 and 3.11 runtimes. When apm install is given a...