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

Authentication 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.

The N-central server is vulnerable to session rebinding of already authenticated users when using Entra SSO, which can lead to authentication bypass. This vulnerability is present in all Entra-supported deployments of N-central prior to 2024.3.

The N-central server is vulnerable to an authentication bypass of the user interface. This vulnerability is present in all deployments of N-central prior to 2024.2. This vulnerability was discovered through internal N-central source code review and N-able has not observed any exploitation in the wild.

The affected AutomationManager.AgentService.exe application contains a TOCTOU race condition vulnerability that allows standard users to create a pseudo-symlink at C:\ProgramData\N-Able Technologies\AutomationManager\Temp, which could be leveraged by an attacker to manipulate the process into performing arbitrary file deletions. We recommend upgrading to version 2.91.0.0

An issue discovered in N-able N-central before 2023.6 and earlier allows attackers to gain escalated privileges via API calls.

The N-able PassPortal extension before 3.29.2 for Chrome inserts sensitive information into a log file.

BASupSrvcUpdater.exe in N-able Take Control Agent through 7.0.41.1141 before 7.0.43 has a TOCTOU Race Condition via a pseudo-symlink at %PROGRAMDATA%\GetSupportService_N-Central\PushUpdates, leading to arbitrary file deletion.

An issue found in N-able Technologies N-central Server before 2023.4 allows a local attacker to execute arbitrary code via the monitoring function of the server.