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Nx · Nx Console

CVE-2026-48027

Compromised Nx Console version 18.95.0

Exploited in attacks Used by ransomware Critical 9.3 Attack chance: 1.8%
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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.

CISA: Nx Console contains an embedded malicious code vulnerability that allowed a malicious version of Nx Console to be published. The compromised extension fetched an obfuscated payload that could harvested credentials from multiple sources on disk and in memory.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: June 10, 2026

Added to the CISA list
May 27, 2026
Published
May 27, 2026
Severity
Critical 9.3 CVSS 4.0
Chance of attacks in the next 30 days (EPSS)
1.8% in the top 21.0% of all known vulnerabilities
Weakness
CWE-506
More details
NVD · CVE.org · CISA
All references (4)

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.