Vulnerability-Lookup

CVE-2026-48027 (GCVE-0-2026-48027)

Vulnerability from cvelistv5 – Published: 2026-05-27 15:50 – Updated: 2026-08-04 03:56

CISA Previdian

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.

Severity

9.3 (Critical)


                        
                          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

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-27 00:00 UTC

CWE

CWE-506 - Embedded Malicious Code

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7637 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/nrwl/nx-console/security/advis…	x_refsource_CONFIRM
https://github.com/nrwl/nx-console/issues/3139	x_refsource_MISC
https://nx.dev/blog/nx-console-v18-95-0-postmorte…	x_refsource_MISC
https://www.stepsecurity.io/blog/nx-console-vs-co…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version	CPE status
nrwl	nx-console	Affected: = 18.95.0	guessed

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 60d88cc6-9989-4cbd-bc82-e94b2988cbd2

Vulnerability ID: CVE-2026-48027

Status: Confirmed

Status Updated: 2026-05-27 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-05-27

Asserted: 2026-05-27

Scope

Notes: KEV entry: Nx Console Embedded Malicious Code Vulnerability | Affected: Nx / Nx Console | Description: 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. | 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. | Due date: 2026-06-10 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w ; https://nvd.nist.gov/vuln/detail/CVE-2026-48027

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details

Cwes	CWE-506
Feed	CISA Known Exploited Vulnerabilities Catalog
Product	Nx Console
Due Date	2026-06-10
Date Added	2026-05-27
Vendorproject	Nx
Vulnerabilityname	Nx Console Embedded Malicious Code Vulnerability
Knownransomwarecampaignuse	Unknown

References

CVE-2026-48027

Created: 2026-05-27 18:00 UTC | Updated: 2026-05-27 18:00 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: e6134a9f-3cae-4bc9-8738-91d30c905867

Vulnerability ID: CVE-2026-48027

Status: Confirmed

Status Updated: 2026-05-27 18:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-05-27

Asserted: 2026-05-27

Scope

Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	Compromised Nx Console version 18.95.0
Vendor	nrwl
Product	nx-console
Added Date	2026-05-27T18:00:02.229Z
Cvss Score	9.3
Epss Score	0.00952
Cvss Severity	CRITICAL
Epss Percentile	0.56684
Used In Malware	yes
Ahead Of Cisa Kev	`{ "count": 6, "unit": "day" }`
Not Yet In Cisa Kev	False

References

Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC

Show details on NVD website

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                "x_refsource_MISC"
              ],
              "url": "https://github.com/nrwl/nx-console/issues/3139"
            },
            {
              "name": "https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise"
            },
            {
              "name": "https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised"
            }
          ],
          "source": {
            "advisory": "GHSA-c9j4-9m59-847w",
            "discovery": "UNKNOWN"
          },
          "title": "Compromised Nx Console version 18.95.0"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2026-48027",
        "datePublished": "2026-05-27T15:50:01.143Z",
        "dateReserved": "2026-05-20T17:44:09.587Z",
        "dateUpdated": "2026-08-04T03:56:10.191Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-48027

Vulnerability from fkie_nvd - Published: 2026-05-27 17:16 - Updated: 2026-10-14 20:10

CISA Previdian

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/nrwl/nx-console/issues/3139	Issue Tracking
security-advisories@github.com	https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w	Mitigation, Vendor Advisory
security-advisories@github.com	https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise	Vendor Advisory
security-advisories@github.com	https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised	Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027	US Government Resource

Impacted products

	Vendor	Product	Version
	nx	nx_console	18.95.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "nx-console",
          "vendor": "nrwl",
          "versions": [
            {
              "status": "affected",
              "version": "= 18.95.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cisaActionDue": "2026-06-10",
  "cisaExploitAdd": "2026-05-27",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Nx Console Embedded Malicious Code Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nx:nx_console:18.95.0:*:*:*:*:visual_studio_code:*:*",
              "matchCriteriaId": "A748F70F-02F7-4793-89AE-7666A2D213F1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nx Console is the user interface for Nx \u0026 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."
    },
    {
      "lang": "es",
      "value": "Nx Console es la interfaz de usuario para Nx y Lerna. El 19 de mayo de 2026, una versi\u00f3n maliciosa de Nx Console, la 18.95.0, fue publicada a las 12:30 PM UTC y eliminada poco despu\u00e9s a las 12:48 PM UTC, dej\u00e1ndola disponible durante ~18 minutos en Visual Studio Marketplace. Para OpenVSX, el problema fue detectado m\u00e1s tarde, y la versi\u00f3n comprometida estuvo disponible desde las 12:33 UTC hasta las 13:09 UTC (~36 minutos). La versi\u00f3n 18.100.0 de Nx Console no est\u00e1 comprometida y los usuarios pueden remediarlo actualizando a esa versi\u00f3n."
    }
  ],
  "id": "CVE-2026-48027",
  "lastModified": "2026-10-14T20:10:00.190",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.3,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-48027",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-27T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-27T17:16:41.787",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/nrwl/nx-console/issues/3139"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/nrwl/nx-console/security/advisories/GHSA-c9j4-9m59-847w"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://nx.dev/blog/nx-console-v18-95-0-postmortem#indicators-of-compromise"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.stepsecurity.io/blog/nx-console-vs-code-extension-compromised"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48027"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-506"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-48027 (GCVE-0-2026-48027)

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Vendor Report Successful Exploitation Confidence: 80% Source: cisa-kev

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Confirmed Compromise Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2026-48027

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour