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CVE-2026-42089

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(), wh
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1d2a6aa74e1364b22ae75c59a6c99817f6e14a83ab19b836eba0ff887a1ea208
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"environment","vendor":"yeoman","versions":[{"status":"affected","version":">= 2.9.0, < 6.0.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-829","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/yeoman/environment/commit/78d2af7e60294784b8a8b3b3b5099c6874b6a1fa","tags":["x_refsource_MISC"],"url":"https://github.com/yeoman/environment/commit/78d2af7e60294784b8a8b3b3b5099c6874b6a1fa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/references/2
{"name":"https://github.com/yeoman/environment/pull/753","tags":["x_refsource_MISC"],"url":"https://github.com/yeoman/environment/pull/753"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/references/1
{"name":"https://github.com/yeoman/environment/security/advisories/GHSA-vv9j-gjw2-j8wp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/yeoman/environment/security/advisories/GHSA-vv9j-gjw2-j8wp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ad33c90ae11db48d69081a5b930757cb8404d49e1ca7f40026b6b88f96874738 · sha256:664deb1420cfda20… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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