CVE-2026-86218

pre-authentication remote code execution

  • Critical 10.0
  • Exploited: added to CISA KEV 8 Sep 2026

Description

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

Key facts

Published
6 Sep 2026
Last changed
9 Sep 2026
Assigned by
N-able
KEV added
8 Sep 2026
KEV fix due
11 Sep 2026
EPSS
15.385% likely to be exploited in the next 30 days, higher than 96.838% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 10.0CVSS 4.0, Criticalfrom the CNA (N-able)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What to do

  • Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-549 Local Execution of Code (CNA impact statement)

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
N-ableN-central
  • Default status: unaffected
  • 0 up to but excluding 2026.3.1.14 (affected)

Timeline

  1. 6 Sep 2026 Published
  2. 8 Sep 2026 CVE-2026-86218 added to CISA KEV
  3. 8 Sep 2026 Added to the CISA KEV catalogue

Weakness

References