CVE-2026-18577 PUBLISHED

Incomplete patch leads to administrative account takeover

Assigner: N-able
Reserved: 02.08.2026 Published: 02.08.2026 Updated: 03.08.2026

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

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L/E:A
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	Low
Attack Complexity	High	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	N-able
Product	N-central
Versions	Default: unaffected affected from 0 to 2026.3 (incl.) Version 2026.3.1.7 is unaffected