Vulnerability Database

300,830

Total vulnerabilities in the database

CVE-2019-5448

Yarn before 1.17.3 is vulnerable to Missing Encryption of Sensitive Data due to HTTP URLs in lockfile causing unencrypted authentication data to be sent over the network.

Published: Jul 30, 2019
Updated: Nov 9, 2025
CVE: CVE-2019-5448
GHSA: GHSA-wqfc-cr59-h64p
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 8.1
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: Low
Score: 4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

CWE-319
CWE-311

OWASP TOP 10:

A3 - Sensitive Data Exposure

Affected Software
References

Software	From	Fixed in
yarnpkg / yarn	-	1.17.3
yarn	-	1.17.3

https://github.com/ChALkeR/notes/blob/master/Yarn-vuln.md
https://hackerone.com/reports/640904
https://yarnpkg.com/blog/2019/07/12/recommended-security-update/

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