CVE-2026-48027 — Nx Console
CISA KEVRansomwareAs of 2026-05-28, CVE-2026-48027 is a CRITICAL-severity vulnerability in Nx Console, CVSS v3.1 9.8, EPSS 26.8% (96.4th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-05-27), with a US federal remediation deadline of 2026-06-10, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 3 tracked threat campaigns to CVE-2026-48027, most recently “Binding.gyp "Phantom Gyp" Supply Chain Attack (Miasma Worm) Enables CI/CD Worm Propagation Across 57 npm Packages”.
Last updated: 2026-05-28
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.
The record classifies CVE-2026-48027 under weakness class CWE-506. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 109 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v4.0 base score
- 9.3
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 - EPSS (FIRST)
- 26.8% probability of exploitation in the next 30 days, higher than 96.4% of all scored CVEs
- CISA KEV
- Listed since 2026-05-27, federal remediation deadline 2026-06-10 — used in known ransomware campaigns
- Threadlinqs priority
- 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
- Published
- 2026-05-27, last modified 2026-05-28
Is CVE-2026-48027 being exploited?
CISA added CVE-2026-48027 to the Known Exploited Vulnerabilities catalog on 2026-05-27, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-06-10 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. It currently carries a trending score of 42 in the Threadlinqs vulnerability feed.
Affected products and versions
- Nx: Console
How to fix CVE-2026-48027
Vendor advisory: https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w. Because CVE-2026-48027 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-06-10. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-48027
3 tracked threats in the Threadlinqs corpus reference CVE-2026-48027, either in the campaign’s CVE list or as an indicator on the campaign record.
- Binding.gyp "Phantom Gyp" Supply Chain Attack (Miasma Worm) Enables CI/CD Worm Propagation Across 57 npm Packages — HIGH · 2026-06-04
- Nx Console VS Code Extension Backdoored (v18.95.0) — TeamPCP Mini Shai-Hulud Pivot from TanStack npm Worm to GitHub Internal Repository Breach (CVE-2026-48027) — CRITICAL · 2026-05-21
- TeamPCP LiteLLM Supply Chain Attack — Trojaned PyPI Packages (v1.82.7/1.82.8) with Multi-Stage C2 Payload — CRITICAL · 2026-03-31
Sources
Seeded from cveorg and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.
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