CVE-2026-18556—N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

PUBLISHEDvulnerability record
2026-08-04 · last modified August 4, 2026

Metadata

CVE ID:
CVE-2026-18556
Project:
N-able
Product:
N-central
Date Added:
2026-08-04
Due Date:
2026-08-07
Last Updated:
August 4, 2026

Vulnerability Name

N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

Description

N-able N-central contains an authentication bypass using an alternate path or channel that allows for authentication bypass.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

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.

Additional Notes

  • https://uptime.n-able.com/
  • https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/
  • BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
  • Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
  • https://nvd.nist.gov/vuln/detail/CVE-2026-18556

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