Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malicious code. This is related to a Checkmarx supply chain incident.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Bitwarden
  • Bitwarden
  • Cli

Configuration 1 [-]

cpe:2.3:a:bitwarden:cli:2026.4.0:*:*:*:*:*:*:*

No data.

References
Link Providers
https://www.spirityenterprise.com/supply-chain-defense spirity
https://www.spirityenterprise.com/incident-response spirity
https://community.bitwarden.com/t/bitwarden-statement-on-checkmarx-supply-chain-incident/96127 cve-icon cve-icon
History

Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
Title Malicious Code Inserted in Bitwarden CLI npm Package

Mon, 04 May 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Bitwarden cli
Weaknesses CWE-94
CPEs cpe:2.3:a:bitwarden:cli:2026.4.0:*:*:*:*:*:*:*
Vendors & Products Bitwarden cli
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Sat, 02 May 2026 08:15:00 +0000

Type Values Removed Values Added
Title Malicious Code Inserted in Bitwarden CLI npm Package

Fri, 01 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 01 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Bitwarden
Bitwarden bitwarden
Vendors & Products Bitwarden
Bitwarden bitwarden

Fri, 01 May 2026 04:45:00 +0000

Type Values Removed Values Added
Description Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malicious code. This is related to a Checkmarx supply chain incident.
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/AU:Y'}
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-01T14:16:19.189Z

Reserved: 2026-05-01T04:06:16.747Z

Link: CVE-2026-42994

cve-icon Vulnrichment

Updated: 2026-05-01T14:16:11.562Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-01T05:16:01.510

Modified: 2026-05-04T18:23:38.433

Link: CVE-2026-42994

cve-icon Redhat

No data.