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Critical

Compromised Nx Console version 18.95.0

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-48027
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 20:05 UTC · Revision 1

Source evidence

Compromised Nx Console version 18.95.0

core-osv · Original source

Published 27 May 2026, 15:50 UTC

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.

osv:CVE-2026-48027
Complete source record
{
  "id": "a14d74abc56c5c1d64eead0867e5177f28d1171b005aec450d8ec691c7e2c3e0",
  "url": "https://osv.dev/vulnerability/CVE-2026-48027",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Compromised Nx Console version 18.95.0",
    "summary": "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.",
    "evidence": "osv:CVE-2026-48027",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-48027",
      "aliases": [
        "CVE-2026-48027",
        "GHSA-c9j4-9m59-847w"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nrwl/nx-console",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f8c95098e6ac7a0e3c81ceb11a89f9c608beccdc"
                },
                {
                  "last_affected": "f8c95098e6ac7a0e3c81ceb11a89f9c608beccdc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "= 18.95.0"
                      },
                      {
                        "last_affected": "= 18.95.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:nx:nx_console:18.95.0:*:*:*:*:visual_studio_code:*:*",
                    "range": [
                      {
                        "introduced": "18.95.0"
                      },
                      {
                        "last_affected": "18.95.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "18.95.0",
            "= 18.95.0",
            "vscode-v18.95.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48027.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.380049539Z",
      "provider": "osv",
      "references": [
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48027.json",
        "https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-48027",
        "https://github.com/nrwl/nx-console/issues/3139",
        "https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise",
        "https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-506"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48027.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-48027",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489624,
  "published_at": "2026-05-27T15:50:01.143+00:00"
}