CVE-2026-18556

EUVD-2026-51918
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 40.31%
Affected Products (NVD)
VendorProductVersion
n-ablen-central
𝑥
≤ 2026.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://uptime.n-able.com/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18556
https://www.n-able.com/blog/n-central-security-update-august-2-2026