CVE-2026-18577

Incomplete patch leads to administrative account takeover

Published Aug 2, 2026 CVSS 4.0 · 8.2 High EPSS 14.6% KEV · Listed
Description
An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-08-03T00:00:00+00:00', 'dueDate': '2026-08-06T00:00:00+00:00'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared N-able
N-able n-central
Vendors & Products N-able
N-able n-central
Type Values Removed Values Added
Description An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1
Title Incomplete patch leads to administrative account takeover
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 8.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
N-able
Published
Updated
Aug 4, 2026, 1:32 PM
Reserved
Aug 2, 2026, 1:40 PM
Status
Analyzed
Published
Aug 2, 2026, 11:16 PM
Modified
Oct 23, 2026, 10:10 PM