Nx Console Embedded Malicious Code Vulnerability
nrwl — nx-console
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.
9.3
1.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- None
- Confidentiality (Vulnerable System)
- High
- Integrity (Vulnerable System)
- High
- Availability (Vulnerable System)
- High
- Confidentiality (Subsequent System)
- None
- Integrity (Subsequent System)
- None
- Availability (Subsequent System)
- None
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
- Published
- May 27, 2026
- Modified
- May 28, 2026
- Added to KEV
- May 27, 2026
- Federal patch due
- Jun 10, 2026
CISA 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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2026-48027, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2026-48027 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is 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.
How severe is CVE-2026-48027?
CVE-2026-48027 has a CVSS base score of 9.3 out of 10 (CVSS 4.0).
Is CVE-2026-48027 actively exploited in the wild?
Yes. CVE-2026-48027 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 27, 2026, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.
What is the EPSS score for CVE-2026-48027?
1.8% - meaning FIRST.org's EPSS model estimates a 1.8% probability this vulnerability will be exploited in the wild within 30 days (77% percentile among all scored CVEs).
What type of vulnerability is CVE-2026-48027?
CVE-2026-48027 is classified under CWE-506 (CWE-506: Embedded Malicious Code).
Cross-checked against
Impactr finds and proves whether CVE-2026-48027 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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