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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-05-27
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-27 · updated 2026-10-14
• Weakness: CWE-506

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.

Affected products

• nrwl nx-console: 18.95.0

References

• https://github.com/nrwl/nx-console/issues/3139
• https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w
• https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise
• https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027

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