[ CVE-2026-48027 · Published 27 May 2026 ]

Nx Console Embedded Malicious Code Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 1%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-05-27
  • Known to be used in ransomware campaigns
  • Critical severity: CVSS 9.8

[ Description ]Official 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.

CISA: Nx Console contains an embedded malicious code vulnerability that allowed a malicious version of Nx Console to be published. The compromised extension fetched an obfuscated payload that could harvested credentials from multiple sources on disk and in memory.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 10 Jun 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.