Authentication bypass using an alternate path or channel in N-central - CVE-2026-18577
Published: August 3, 2026
Vulnerability identifier: #VU140802
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-18577
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to missing authentication checks caused by an incomplete fix for #VU140801 (CVE-2026-18556). A remote attacker can bypass authentication process and compromise the affected system.
Note, the vulnerability is being actively exploited in the wild.
Affected software
N-central
How to mitigate CVE-2026-18577
Install updates from vendor's website.
N-central - update to 2026.3.1