CVE-2021-32803

highCVSS 8.2covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: Directory cache poisoning vulnerability allows arbitrary file creation or overwrite through insufficient symlink protection in npm package extraction.
Who is affected: Systems using npm for dependency installation with affected versions.
Urgency: High priority; allows arbitrary file overwrite with significant real-world exploitation potential.
Action: Update npm to a version with fixed symlink handling and cache management.

AI-assisted analysis generated from the source advisory — verify against the original.

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Moderate exploitation risk7.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 94% of all EPSS-scored CVEs.

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