CVE-2026-48027

Name: CVE-2026-48027
Creator: NVD / NIST
Published: 2026-05-27T17:16:41.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10Actively ExploitedEPSS 1.85%

Last modified Jun 17, 2026

CVE-2026-48027 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 10, 2026.

Weakness Enumeration

CWE-506

Affected Software

Vendor	Product	Versions
Nx	Nx Console	18.95.0

References

https://github.com/nrwl/nx-console/issues/3139Issue Tracking
https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847wMitigation, Vendor Advisory
https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromiseVendor Advisory
https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromisedExploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027US Government Resource

Timeline

Published: May 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-48027?

How severe is CVE-2026-48027?

CVE-2026-48027 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2026-48027?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-48027?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST