Malicious Code in Bitwarden CLI from Checkmarx Supply Chain Incident
CVE-2026-42994

8.8HIGH

Key Information:

Vendor

Bitwarden

Status
Bitwarden Cli
Vendor
CVE Published:
1 May 2026

What is CVE-2026-42994?

Bitwarden CLI version 2026.4.0, distributed via npm, contained embedded malicious code due to a supply chain breach associated with Checkmarx. This incident highlights the vulnerability of software supply chains and the risks involved with using third-party code without adequate safeguards. Users are advised to ensure they are using secure versions and regularly monitor their software for unrecognized changes.

Affected Version(s)

Bitwarden CLI 2026.4.0

References

https://community.bitwarden.com/t/bitwarden-statement-on-...

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.