CVE-2026-48027KEV · OVERDUECWE-506

Nx Console Embedded Malicious Code Vulnerability

Critical · published May 27, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 71.0th percentile for exploit probability.

136
days past CISA
deadline
CVSS v3.1
9.8
EPSS
1%
Percentile
71.0
In the wild
Confirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01336 · 71.0th percentile
Weakness
CWE-506 · Embedded Malicious Code
Published
2026-05-27T21:16Z
KEV added
2026-05-27 · due 2026-06-10
Affected products (1)
ProductVersionsFixed in
nx/nx_consoleall versions—
References (5)
EPSS history
Timeline
  • 27 MAY 15:50Z
    Compromised Nx Console version 18.95.0
    cvelistv5
  • 27 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 10
    kev