CVE-2026-18556NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

Aug 1, 2026

Last Modified

Aug 5, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

40.16%Probability

Root Weakness (CWE)

CWE-288: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 8.2 (HIGH)

Attack VectorNetwork

Attack ComplexityHigh

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)None

Availability (Vulnerable System)None

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

N-able N-central <= 2026.1

Patched Versions

N-able N-central 2026.1

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