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.
Conclusion & alert: CVE-2026-48027 is rated Critical Active Threat (100/100): CVSS Critical severity, with high exploitation likelihood (EPSS 32.06%, 97th percentile). Core evidence: CISA KEV confirms active exploitation (added 2026-05-27) affecting Nx / Nx Console. a weakness (CWE-506) Unauthenticated remote administrative access may be possible. EPSS rose +5.22% over the last day, indicating growing attacker interest. Mandatory action: Federal remediation is required by 2026-06-10 (CISA ED 26-03); assess exposure and apply mitigations immediately.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Nx Console Embedded Malicious Code Vulnerability · CISA KEV detail
: 2026-05-27
: 2026-06-10
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-02 | 26.85% | 32.06% | +5.22% |
| 2 | 2026-05-28 | — | 26.85% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 4.0 | CRITICAL |
|
— | — | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nx | nx_console | 18.95.0 | cpe:2.3:a:nx:nx_console:18.95.0:*:*:*:*:visual_studio_code:*:* |
| URL | Tags |
|---|---|
| https://github.com/nrwl/nx-console/issues/3139 | Issue Tracking |
| https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w | Mitigation Vendor Advisory |
| https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise | Vendor Advisory |
| https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised | Exploit Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027 | US Government Resource |