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CVE-2026-125883

Multiple XXE Vulnerabilities

Improper restriction of XML external entity reference vulnerability in N-able N-central allows XML Schema Poisoning. This issue affects N-central: before 26.4.1.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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CVE-2026-91000

Insecure IPC Channels lead to local privilege escalation

Missing authentication for critical function vulnerability in N-able N-central allows Privilege Escalation. This issue affects N-central: before 2026.4.1.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-125958

Root RCE via unsigned NSP upgrade package upload

Download of code without integrity check vulnerability in N-able N-central allows Remote Code Inclusion. This issue affects N-central: through 24.6.1.

CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2026-125878

Multiple OGNL Injection vulnerabilities

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in N-able N-central allows Resource Injection. This issue affects N-central: before 26.4.1.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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CVE-2026-125879

Local privilege escalation to root via nable-writable syslog-ng config

Incorrect privilege assignment vulnerability in N-able N-central allows Privilege Escalation. This issue affects N-central: before 26.4.1.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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CVE-2026-125881

Schema-hint SSRF via service import schema validation

Server-Side request forgery (SSRF) vulnerability in N-able N-central allows Server Side Request Forgery. This issue affects N-central: before 26.4.1.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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CVE-2026-125882

RCE via file repository upload path traversal

Relative path traversal vulnerability in N-able N-central allows Path Traversal. This issue affects N-central: before 26.4.1.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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CVE-2026-15580

PassPortal browser extension: vault token disclosure via unvalidated postMessage

vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse. This issue affects the PassPortal browser extension: before 3.49.6.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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CVE-2025-68624

Cross‑Tenant Email Spoofing via Unrestricted MAIL FROM in N‑able Mail Assure

N-able Mail Assure through April 2026 contains a design-level authorization flaw that allows an authenticated SMTP user to send outbound email using MAIL FROM addresses belonging to other tenants. When connecting to the SMTP TCP port and performing SMTP AUTH with valid credentials, the server accepts arbitrary sender domains without enforcing any domain-to-account binding. As a result, an attacker from any tenant can impersonate other tenant domains, producing messages that pass SPF and DMARC validation. NOTE: N-able's position is that the behavior is intended functionality of its shared SMTP relay architecture and that the service does not represent that it enforces per-tenant sender-domain binding.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-86218

pre-authentication remote code execution

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

CVSS 4.0 · 10 Critical EPSS 15.4% KEV · Listed
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CVE-2026-86207

Authentication bypass leads to unauthorised access to N-central

An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs

CVSS 4.0 · 7.7 High EPSS 1.3% KEV · Not listed
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CVE-2026-86206

Access control filter bypass allows unauthorised access to APIs

A vulnerability in the N-central internal API access control filter allows unauthorised access to internal APIs. This is fixed in N-central 2026.3 HF3 and 2026.4

CVSS 4.0 · 6.9 Medium EPSS 1.1% KEV · Not listed
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CVE-2026-18556

Unauthenticated administrative account takeover

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.

CVSS 4.0 · 8.2 High EPSS 43.9% KEV · Listed
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CVE-2026-18577

Incomplete patch leads to administrative account takeover

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

CVSS 4.0 · 8.2 High EPSS 14.6% KEV · Listed
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CVE-2025-9316

N-central unauthenticated sessionID generation

N-central < 2025.4 can generate sessionIDs for unauthenticated users This issue affects N-central: before 2025.4.

CVSS 4.0 · 6.9 Medium EPSS 37.4% KEV · Not listed
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CVE-2025-10231

N-central Incorrect Default Permissions could lead to Privilege Escalation

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.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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CVE-2025-7051

N-central Syslog Configuration Insecure Direct Object Reference

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.

CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
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CVE-2025-11367

N-central windows software probe Remote Code Execution

The N-central Software Probe < 2025.4 is vulnerable to Remote Code Execution via deserialization

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
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CVE-2025-11700

N-central Multiple XXE Injection Vulnerabilities

N-central versions < 2025.4 are vulnerable to multiple XML External Entities injection leading to information disclosure

CVSS 4.0 · 8.4 High EPSS 31.7% KEV · Not listed
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CVE-2025-11366

N-central Authentication bypass via path traversal

N-central < 2025.4 is vulnerable to authentication bypass via path traversal

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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