GHSA-MQ5J-PW29-JCV3 Microsoft APM: Windows absolute-path tar member overwrite during legacy-bundle probing in `apm install`

Summary 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 local .tar.gz that is not recognized as a plugin-format bundle, APM probes whether it is a...

CVE-2026-46383

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...

CVE-2026-46383

Summary: CVE-2026-46383 affects Microsoft APM prior to 0.13.0, where the legacy-bundle probing during apm install on Windows can mishandle local .tar.gz archives. On Python 3.10/3.11, the probe may extract untrusted tar members with tar.extractall() without rejecting Windows absolute member name...

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...

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...

CVE-2026-45539 Microsoft APM: Symlinks under `.apm/prompts/` and `.apm/agents/` are dereferenced during `apm install`, copying host-local file contents into the project tree

Microsoft APM is an open-source, community-driven dependency manager for AI agents. From 0.5.4 to 0.12.4, two primitive integrators in apm-cli enumerate package files with bare Path.glob / Path.rglob calls and read each match with Path.readtext, transparently following symbolic links. A symlink...

GHSA-XHRW-5QXX-JPWR Microsoft APM CLI's plugin.json component paths escape plugin root and copy arbitrary host files during install

Summary Microsoft APM normalizes marketplace plugins by copying plugin components referenced in plugin.json into .apm/. The manifest fields agents, skills, commands, and hooks are attacker-controlled, but the implementation does not enforce that those paths remain inside the plugin directory. A...

Microsoft APM CLI's plugin.json component paths escape plugin root and copy arbitrary host files during install

Summary Microsoft APM normalizes marketplace plugins by copying plugin components referenced in plugin.json into .apm/. The manifest fields agents, skills, commands, and hooks are attacker-controlled, but the implementation does not enforce that those paths remain inside the plugin directory. A...