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CVE-2026-18577

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

8.1
CVSS
4.1%
EPSS (exploit prob.)
89.8%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2026-08-03
Added
▲ +2.6 pts
3-day EPSS trend

Summary

N-able N-central contains an authentication bypass using an alternate path or channel allows for authentication bypass and account takeover in N-central. This vulnerability is the result of an incomplete patch for CVE-2026-18556.

Affected software

Vendor: N-able  ·  Product: N-central

Weakness types (CWE):

CWE-288

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

CVENameEPSSExploited
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
CVE-2026-18556 N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulner 0.5% Yes

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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.