CVE-2026-48027: Nx Console Embedded Malicious Code Vulnerability

Vulnerability summary

CVE-2026-48027 is a critical (CVSS 9.8) Embedded Malicious Code vulnerability in Nx Nx Console. It is known to be exploited: CISA lists it, first on 27-05-2026. It has been used in ransomware campaigns. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 27-05-2026
   PublishedVulnerability first disclosed.
2. 27-05-2026
   Added to CISA KEVNx Console Embedded Malicious Code Vulnerability
3. 10-06-2026
   CISA remediation dueApply mitigations per vendor instructions.
4. 04-08-2026
   Last modifiedVulnerability information updated.

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.

• CWE-506Embedded Malicious CodeThe product contains code that appears to be malicious in nature.