Vulnerability in Nrwl Nx-Console
CVE-2026-48027
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.
EPSS: 0.018 (77.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nrwl Nx-console — versions = 18.95.0
- Nx Nx_console — versions 18.95.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
References
- https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- https://github.com/nrwl/nx-console/issues/3139 (x_refsource_MISC, Issue Tracking)
- https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise (x_refsource_MISC, Vendor Advisory)
- https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised (Exploit, x_refsource_MISC, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-48027?
- CVE-2026-48027 is a critical-severity vulnerability in Nrwl Nx-Console, classified under CWE-506. CVSS score: 9.8/10. Published 2026-05-27.
- How severe is CVE-2026-48027?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-48027 known to be exploited?
- Yes. CVE-2026-48027 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-05-27), indicating it is being actively exploited.