CVE-2020-15095: Sensitive information exposure through logs in npm cli

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-07 · updated 2026-06-17
Weakness: CWE-532

Description

Versions of the npm CLI prior to 6.14.6 are vulnerable to an information exposure vulnerability through log files. The CLI supports URLs like "<protocol>://[<user>[:<password>]@]<hostname>[:<port>][:][/]<path>". The password value is not redacted and is printed to stdout and also to any generated log files.

Affected products

Fedoraproject Fedora: 33
Npmjs Npm: before 6.14.6 — fixed in 6.14.6
openSUSE Leap: 15.1, 15.2

How to fix

Upgrade to a fixed version: Npmjs Npm 6.14.6. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
https://github.com/npm/cli/blob/66aab417f836a901f8afb265251f761bb0422463/CHANGELOG.md#6146-2020-07-07
https://github.com/npm/cli/commit/a9857b8f6869451ff058789c4631fadfde5bbcbc
https://github.com/npm/cli/security/advisories/GHSA-93f3-23rq-pjfp
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
https://security.gentoo.org/glsa/202101-07
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00023.html
https://github.com/npm/cli/blob/66aab417f836a901f8afb265251f761bb0422463/CHANGELOG.md#6146-2020-07-07

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