HomeCVE Intelligence › CVE-2026-44641
CVSS 7.1 HIGH Vulnerability

CVE-2026-44641: Microsoft APM CLI's plugin.json component paths escape plugin root and copy arbitrary hos…

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 implementa…

7.1CVSS Score
HIGHSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-44641
Vendorpip
Affected Productapm-cli
Vulnerability TypeVulnerability
CVSS Score7.1 (HIGH)
Actively Exploited❌ No known exploitation
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via github_advisories)

🔬 Technical Analysis

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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 malicious plugin can therefore use absolute paths or ../ traversal paths to copy arbitrary readable host files or directories from the installer's machine during apm install. In the verified primary proof of concept, a malicious plugin sets plugin.json.commands to an external markdown file. A single apm install copies that outside file into .apm/prompts/ and then auto-integrates it into .github/prompts/secret.prompt.md in the victim project. This is a local supply-chain t

📚 Advisory References

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