CVE-2026-48027

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.

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 9.3CVSS 4.0, Criticalfrom the CNA (GitHub_M)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

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.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 27 May 2026 CVE-2026-48027 added to CISA KEV
2. 27 May 2026 Added to the CISA KEV catalogue
3. 27 May 2026 Published

Weakness

• CWE-506

References

• https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847wx_refsource_CONFIRM
• https://github.com/nrwl/nx-console/issues/3139x_refsource_MISC
• https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromisex_refsource_MISC
• https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromisedx_refsource_MISC