CISA KEV: CVE-2026-18577 — N-able N-central actively exploited
N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability. N-able N-central contains an authentication bypass using an alternate path or channel allows for authentication bypass and account takeover in N-central. This vulnerability is the result of an incomplete patch for CVE-2026-18556. Required 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) g