CVE-2019-15608

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-840 CWE-367

Affected software

No affected versions have been published.

Timeline

Published: Mar 15, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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