CVE-2026-48027

critical

Description

Nx Console is the user interface for Nx & Lerna. On 19 May 2026, a malicious version of Nx Console, 18.95.0, was published at 12:30 PM UTC and removed soon after at 12:48 PM UTC, leaving it available for ~18 minutes in Visual Studio Marketplace. For OpenVSX, the problem was detected later, and the compromised version was available from 12:33 UTC to 13:09 UTC (~36 minutes). Version 18.100.0 of Nx Console is not compromised and users may remediate by upgrading to that version.

References

https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027

https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise

https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w

https://github.com/nrwl/nx-console/issues/3139

Details

Source: Mitre, NVD

Published: 2026-05-27

Updated: 2026-05-27

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical