Critical severity9.8NVD Advisory· Published May 1, 2026· Updated May 4, 2026

CVE-2026-42994

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.

Affected products

Naturalintelligence/Bitwarden Cliinferred
Range: =2026.4.0
Package: https://npmjs.com/package/bitwarden-cli
Bitwarden/Cli
cpe:2.3:a:bitwarden:cli:2026.4.0:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

community.bitwarden.com/t/bitwarden-statement-on-checkmarx-supply-chain-incident/96127nvdIssue TrackingVendor Advisory

News mentions

TeamPCP Supply Chain Campaign: Update 008 - 26-Day Pause Ends with Three Concurrent Compromises (Checkmarx KICS, Bitwarden CLI Cascade, xinference PyPI), CanisterSprawl npm Worm Identified, and Tier 1 Coverage Returns, (Mon, Apr 27th)
SANS Internet Storm Center · Apr 27, 2026

cvss	0.637
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000