CVE-2020-8131

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.

• CWE-22
• CWE-22

• https://github.com/yarnpkg/yarn/pull/7831Patch, Third Party Advisory
• https://hackerone.com/reports/730239Exploit, Third Party Advisory
• https://github.com/yarnpkg/yarn/pull/7831Patch, Third Party Advisory
• https://hackerone.com/reports/730239Exploit, Third Party Advisory

Published

Feb 24, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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