CVE-2026-42089
HighCVSS 8.6Summary
Yeoman Environment versions 2.9.0 through 6.0.0 install missing local generator packages from caller-supplied package names without user confirmation. This can lead to unauthorized package installation and code execution if an attacker controls the project configuration.
Risk Assessment
Organizations may be exposed to unauthorized access and execution of malicious code, potentially leading to serious security breaches.
Recommendation
It is recommended to upgrade to version 6.0.0 or later to mitigate this vulnerability and to verify and restrict access to project configurations.
Original NVD description (English source)
Yeoman Environment provides an API to discover, create, and run generators, and to configure where and how a generator is resolved. Versions 2.9.0 through 6.0.0 install missing local generator packages from caller-supplied package names without user confirmation. In downstream consumers that pass attacker-controlled project configuration into this path, this can result in arbitrary package installation and code execution during CLI bootstrap. The vulnerable method is installLocalGenerators(), which calls repository.install() directly without prompting the user. This issue has been fixed in version 6.0.0.