An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1
n-central
Vendor: n-able
Security Vulnerability Index
Page 1 / 3Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects N-central: through 2026.1.
N-central versions < 2025.4 are vulnerable to multiple XML External Entities injection leading to information disclosure
The N-central Software Probe < 2025.4 is vulnerable to Remote Code Execution via deserialization
N-central < 2025.4 is vulnerable to authentication bypass via path traversal
An Incorrect File Handling Permission bug exists on the N-central Windows Agent and Probe that, in the right circumstances, can allow a local low-level user to run commands with elevated permissions.
On N-central, it is possible for any authenticated user to read, write and modify syslog configuration across customers on an N-central server. This vulnerability is present in all deployments of N-central prior to 2025.2.
Improper Input Validation vulnerability in N-able N-central allows OS Command Injection.This issue affects N-central: before 2025.3.1.
Deserialization of Untrusted Data vulnerability in N-able N-central allows Local Execution of Code.This issue affects N-central: before 2025.3.1.
N-central is vulnerable to a path traversal that allows unintended access to the Apache Tomcat WEB-INF directory. Customer data is not exposed. This vulnerability is present in all deployments of N-central prior to N-central 2024.6.