Summary iPlain-English security verdict for Yarn, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Yarn currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 4.17.0. It's on the latest patch with no significant known issues — keep it current.
Disclosure trend iNew CVEs published for Yarn each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
No urgent unpatched issues identified. ✓
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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.
How long each Yarn release line is supported — and when it sunsets. Select a line for its full report.
Full Yarn end-of-life dates & support timeline →
4 latest 4.17.0 Supported 4.17.0 → 3 latest 3.8.7 End of life ended 2024-12-043.8.7 → 2 latest 2.4.3 End of life ended 2021-09-062.4.3 → 1 latest 1.22.22 Supported 1.22.22 → See all upcoming end-of-life dates →Frequently asked
Is Yarn safe and patched?
Yarn currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 4.17.0. It's on the latest patch with no significant known issues — keep it current.
What should I do about Yarn now?
Upgrade Yarn to the latest supported release (4.17.0) or later and apply available security updates, then confirm against Yarn's official advisory.
When does Yarn reach end-of-life?
The latest supported Yarn release is 4.17.0. After end-of-life a release no longer receives security patches.
Which versions of Yarn are still receiving security updates?
Supported Yarn release lines (latest 4.17.0): 4, 1. End-of-life releases no longer receive security patches.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Yarn's official advisory before you patch or upgrade — Yarn official site ↗