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CVE-2026-42089 affects Yeoman Environment, which provides APIs to discover, create, and run generators and to control generator resolution. In affected versions 2.9.0 through 6.0.0, the installLocalGenerators() method installs missing local generator packages from caller-supplied package names without user confirmation. Specifically, installLocalGenerators() invokes repository.install() directly on package names derived from input passed by downstream consumers. If a downstream CLI or application feeds attacker-controlled project configuration into this code path, an attacker can cause unintended package installation during CLI bootstrap, which can then result in arbitrary code execution via package install-time or runtime behavior.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.