CVE-2026-18556

N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

7.4

CVSS

0.5%

EPSS (exploit prob.)

39.6%

EPSS percentile

Yes

Actively exploited

Ransomware use

2026-08-04

Added

▲ +0.2 pts

2-day EPSS trend

Summary

N-able N-central contains an authentication bypass using an alternate path or channel that allows for authentication bypass.

Affected software

Vendor: N-able · Product: N-central

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in N-able

CVE	Name	EPSS	Exploited
CVE-2026-18577	N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulner	4.1%	Yes
CVE-2025-8876	N-able N-Central Command Injection Vulnerability	3.1%	Yes
CVE-2025-8875	N-able N-Central Insecure Deserialization Vulnerability	1.6%	Yes

Is your domain exposed?

Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.

Get your free report

All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.