How severe is CVE-2026-48027?

CVE-2026-48027 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-48027 being actively exploited?

Yes. CVE-2026-48027 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-05-27, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-48027?

CVE-2026-48027 affects Nx Nx Console. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48027?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2026-48027 have an EU (EUVD) identifier?

Yes. CVE-2026-48027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32550. It is also flagged as exploited in the EUVD (since 2026-05-27).

When was CVE-2026-48027 published?

CVE-2026-48027 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48027

CVE-2026-48027 is a critical-severity vulnerability in Nx Nx Console with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-05-27). The underlying weakness is classified as CWE-506.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-05-27)
EU (EUVD) id: EUVD-2026-32550
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-05-27)
Weakness: CWE-506
Affected product: Nx Nx Console
Published: 2026-05-27
Last modified: 2026-06-17

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.

Frequently asked questions

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.
How severe is CVE-2026-48027?: CVE-2026-48027 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-48027 being actively exploited?: Yes. CVE-2026-48027 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-05-27, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-48027?: CVE-2026-48027 affects Nx Nx Console. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2026-48027 have an EU (EUVD) identifier?: Yes. CVE-2026-48027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32550. It is also flagged as exploited in the EUVD (since 2026-05-27).
When was CVE-2026-48027 published?: CVE-2026-48027 was published on 2026-05-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nx:nx_console:18.95.0:*:*:*:*:visual_studio_code:*:*

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