CVE-2026-18556
N-able N-central
N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability
What it is
N-able N-central contains an authentication bypass using an alternate path or channel that allows for authentication bypass.
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.
Vendor notices and references
- uptime.n-able.com/
- status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/
- nvd.nist.gov/vuln/detail/CVE-2026-18556
Description and required action as published by CISA. Full record at NVD.
Other N-able entries on the list
- N-central N-able N-central Static Code Injection Vulnerability CVE-2026-86218 · Sep 8, 2026
- N-central N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability CVE-2026-18577 · Aug 3, 2026
- N-Central N-able N-Central Command Injection Vulnerability CVE-2025-8876 · Aug 13, 2025
- N-Central N-able N-Central Insecure Deserialization Vulnerability CVE-2025-8875 · Aug 13, 2025