UBUNTU-CVE-2016-3956

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-3956

    UBUNTU-CVE-2016-3956

    Published: 2 Jul 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-3956
    Aliases:
    USN-4785-1

    Summary:

    Details: The CLI in npm before 2.15.1 and 3.x before 3.8.3, as used in Node.js 0.10 before 0.10.44, 0.12 before 0.12.13, 4 before 4.4.2, and 5 before 5.10.0, includes bearer tokens with arbitrary requests, which allows remote HTTP servers to obtain sensitive information by reading Authorization headers.

    References: https://ubuntu.com/security/CVE-2016-3956, https://nodejs.org/en/blog/vulnerability/npm-tokens-leak-march-2016/, https://github.com/npm/npm/issues/8380, http://www-01.ibm.com/support/docview.wss?uid=swg21980827, http://blog.npmjs.org/post/142036323955/fixing-a-bearer-token-vulnerability, https://ubuntu.com/security/notices/USN-4785-1, https://www.cve.org/CVERecord?id=CVE-2016-3956

    Affected packages

    Package

    Name: npm

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.2-0ubuntu4.1.16.04.1~esm1

    Affected versions

    1.4.21+ds-2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2016-3956 | CVE-DB