N-Able N-Central < 2026.3.1.7 Authentication Bypass

high Web App Scanning Plugin ID 115356

Synopsis

N-Able N-Central < 2026.3.1.7 Authentication Bypass

Description

According to its banner, the version of N-Able N-Central running on the remote host is prior to 2026.3.1.7. It is, therefore, affected by an Authentication Bypass and Account Takeover.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to N-Able N-Central version 2026.3.1.7 or later.

See Also

https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF1_Release_Notes.htm

https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/

https://www.n-able.com/blog/n-central-security-update-august-4-2026

Plugin Details

Severity: High

ID: 115356

Type: Version Based

Published: 8/5/2026

Updated: 8/5/2026

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

Percentile: 99.82

CVSS v2

Risk Factor: High

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-18577

CVSS v3

Risk Factor: High

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2026-18577

CVSS v4

Risk Factor: High

Base Score: 8.2

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-18556

Vulnerability Information

CPE: cpe:2.3:a:n-able:n-central:*:*:*:*:*:*:*:*

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/31/2026

CISA Known Exploited Vulnerability Due Dates: 8/6/2026, 8/7/2026

Reference Information

CVE: CVE-2026-18556, CVE-2026-18577