High severity7.5NVD Advisory· Published Feb 24, 2020· Updated Jun 17, 2026
CVE-2020-8131
CVE-2020-8131
Description
Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
yarnnpm | < 1.22.0 | 1.22.0 |
Affected products
3- Yarn/Yarndescription
Patches
Vulnerability mechanics
References
4- github.com/yarnpkg/yarn/pull/7831nvdPatchThird Party AdvisoryWEB
- hackerone.com/reports/730239nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-8mfc-v7wv-p62gghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-8131ghsaADVISORY
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