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

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

MANARTECH SECURITY ALERT

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

CVE Numbers

CVE-2026-18577

Affected Product

N-central — N-able

Threat Description

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

Severity Scale

CRITICALHIGHMEDIUMLOW

Severity

HIGH

Affected Versions

To be reviewed

Recommended Mitigation

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.

Reference Links