N-Able N-Central < 2026.4.1.26 Multiple Vulnerabilities

critical Web App Scanning Plugin ID 115820

Synopsis

N-Able N-Central < 2026.4.1.26 Multiple Vulnerabilities

Description

According to its banner, the version of N-Able N-Central running on the remote host is prior to 2026.4.1.26. It is, therefore, affected by multiple vulnerabilities:

- Multiple OGNL injection vulnerabilities. (CVE-2026-125878)

- A remote code execution vulnerability via a path traversal in the file repository upload. (CVE-2026-125882)

- Multiple XML External Entity (XXE) vulnerabilities. (CVE-2026-125883)

- A Server-Side Request Forgery (SSRF) vulnerability via schema hints in the service import schema validation. (CVE-2026-125881)

- A stored Cross-Site Scripting (XSS) vulnerability via MMS3 patch metadata in the admin context. (CVE-2026-125880)

- A local privilege escalation to root via a syslog-ng configuration writable by the nable user. (CVE-2026-125879)

- A local privilege escalation vulnerability due to insecure IPC channels. (CVE-2026-91000)

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 2026.4.1.26 or later.

See Also

https://status.n-able.com/2026/11/10/n-central-2026-4-hf2-release-notes/

Plugin Details

Severity: Critical

ID: 115820

Type: Version Based

Family: Component Vulnerability

Published: 11/12/2026

Updated: 11/12/2026

Scan Template: basic, full, pci, quick, scan

Risk Information

VPR

Risk Factor: High

Score: 8.9

Percentile: 99.72

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS Score Source: CVE-2026-125879

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

CVSS Score Source: CVE-2026-125883

CVSS v4

Risk Factor: Critical

Base Score: 9.3

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

CVSS Score Source: CVE-2026-125881

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 11/8/2026

Reference Information

CVE: CVE-2026-125878, CVE-2026-125879, CVE-2026-125880, CVE-2026-125881, CVE-2026-125882, CVE-2026-125883, CVE-2026-91000

CWE: 23, 266, 306, 611, 644, 79, 918

OWASP: 2010-A1, 2010-A2, 2010-A3, 2010-A6, 2013-A1, 2013-A2, 2013-A3, 2013-A5, 2013-A9, 2017-A1, 2017-A2, 2017-A4, 2017-A5, 2017-A6, 2017-A7, 2017-A9, 2021-A10, 2021-A3, 2021-A4, 2021-A5, 2021-A6, 2021-A7, 2025-A1, 2025-A2, 2025-A5, 2025-A6, 2025-A7

WASC: Application Misconfiguration, Authentication Bypass, Cross-Site Scripting, Improper Input Handling, Insufficient Authentication, Path Traversal, XML External Entities

CAPEC: 10, 101, 108, 12, 120, 122, 13, 135, 14, 166, 209, 221, 233, 24, 250, 267, 273, 28, 3, 34, 36, 42, 43, 45, 46, 47, 51, 52, 53, 58, 588, 591, 592, 6, 62, 63, 64, 67, 7, 71, 72, 76, 78, 79, 8, 80, 83, 84, 85, 9

DISA STIG: APSC-DV-000460, APSC-DV-000500, APSC-DV-002490, APSC-DV-002550, APSC-DV-002560, APSC-DV-002630

HIPAA: 164.306(a)(1), 164.306(a)(2), 164.312(a), 164.312(a)(1), 164.312(a)(2)(i), 164.312(e)

ISO: 27001-A.13.1.1, 27001-A.14.1.2, 27001-A.14.1.3, 27001-A.14.2.5, 27001-A.18.1.3, 27001-A.6.2.2, 27001-A.9.1.2, 27001-A.9.2.3, 27001-A.9.4.1, 27001-A.9.4.4, 27001-A.9.4.5

NIST: sp800_53-AC-3, sp800_53-AC-6(1), sp800_53-CM-6b, sp800_53-SI-10

OWASP API: 2019-API7, 2019-API8, 2023-API7, 2023-API8

OWASP ASVS: 4.0.2-14.2.1, 4.0.2-3.7.1, 4.0.2-5.2.5, 4.0.2-5.2.6, 4.0.2-5.3.3, 4.0.2-5.5.2

PCI-DSS: 3.2-6.2, 3.2-6.5.1, 3.2-6.5.10, 3.2-6.5.7, 3.2-6.5.8, 3.2-6.5.9