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

Vulnerability from cvelistv5 – Published: 2026-05-27 15:50 – Updated: 2026-08-04 03:56
VLAI 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 7881 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nrwl nx-console Affected: = 18.95.0
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 23d94b6e-e10b-4ed3-9304-fbf1858a9ac5

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: 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): Known | 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 Known
References
Created: 2026-05-27 18:00 UTC | Updated: 2026-11-04 13:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1d5aa159-8570-4699-a3f3-ba9b93be035b

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
Notes: KEVIntel entry: Compromised Nx Console version 18.95.0 | Affected: nrwl / nx-console | CVSS: 9.3 (CRITICAL) | EPSS: 0.00952 | Used in malware: yes | Not yet in CISA KEV: False
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 0.56652
Used In Malware yes
Ahead Of Cisa Kev 
{
  "count": 6,
  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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                "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"
    }
  }
}



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Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    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.