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CVE-2026-48027

Nx Console Embedded Malicious Code

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 1.34%
  1. Published27 May 2026
  2. Added to CISA KEV27 May 2026
  3. Remediation due10 Jun 2026
Actively exploited (CISA KEV)

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.

Added to KEV: 27 May 2026Federal remediation due: 10 Jun 2026Used in ransomware

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

NX Console18.95.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-48027 being actively exploited?

Yes. CVE-2026-48027 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 27 May 2026. It has been used in ransomware campaigns.

How severe is CVE-2026-48027?

CVE-2026-48027 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.34% probability of exploitation.

Which products are affected by CVE-2026-48027?

Affected products include NX Console.

How do I fix CVE-2026-48027?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-48027 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.