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CVE-2026-185567.4/HIGHEPSS 94.0%CISA KEV
2026-08-01

N-able N-central Authentication Bypass Vulnerability (CVE-2026-18556) Security Advisory

[Affected Scope] All on-premises and cloud instances of N-able N-central running version 2026.1 and prior

[Impact] Unauthenticated attackers can bypass authentication mechanisms to gain administrative privileges, potentially leading to full compromise of managed client environments

[Mitigation] Apply the official security patches immediately and restrict external internet access to the N-central management console