CVE-2026-18577
Incomplete patch leads to administrative account takeover
- State
- Published
- Severity
- 8.2 High
- Published
- Aug 2, 2026
- Updated
- Aug 4, 2026
- Reserved
- Aug 2, 2026
Description
An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.2 High | 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 | N-able |
Weaknesses
- CWE-288 Authentication bypass using an alternate path or channel
Affected Products
| Product | Versions |
|---|---|
N-centralN-able |
|
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-2026-18577government-resource
- https://www.n-able.com/blog/n-central-security-update-august-2-2026vendor-advisory
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