Vulnerability Details CVE-2026-18577
An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1
Exploit prediction scoring system (EPSS) score
EPSS Score 0.025
EPSS Ranking 83.3%
CVSS Severity
CVSS v3 Score 8.1
Proposed Action
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.
Ransomware Campaign
Unknown
References
- https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF1_Release_Notes.htm
- https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/
- https://www.cve.org/CVERecord?id=CVE-2026-18556
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18577
- https://www.n-able.com/blog/n-central-security-update-august-2-2026
Products affected by CVE-2026-18577
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cpe:2.3:a:n-able:n-central:-
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cpe:2.3:a:n-able:n-central:2023.4
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cpe:2.3:a:n-able:n-central:2023.6
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cpe:2.3:a:n-able:n-central:2023.7
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cpe:2.3:a:n-able:n-central:2024.1
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cpe:2.3:a:n-able:n-central:2024.2
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cpe:2.3:a:n-able:n-central:2024.3
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cpe:2.3:a:n-able:n-central:2024.4
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cpe:2.3:a:n-able:n-central:2024.6
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cpe:2.3:a:n-able:n-central:2025.1
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cpe:2.3:a:n-able:n-central:2025.2
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cpe:2.3:a:n-able:n-central:2025.2.1
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cpe:2.3:a:n-able:n-central:2025.3
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cpe:2.3:a:n-able:n-central:2025.3.1
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cpe:2.3:a:n-able:n-central:2025.4
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cpe:2.3:a:n-able:n-central:2026.1
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cpe:2.3:a:n-able:n-central:2026.2
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cpe:2.3:a:n-able:n-central:2026.3