CVE-2026-18556
CVSS v3
—
Unknown
EPSS Score
0.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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.
CISA Known Exploited Vulnerability
- Date Added
- 2026-08-04
- Patch Due Date
- 2026-08-07
- Ransomware Use
- Unknown
Technical details
- Published
- 2026-08-01
- Last Modified
- 2026-08-01
Frequently asked questions
What is CVE-2026-18556?
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.
Is CVE-2026-18556 actively exploited?
Yes. CVE-2026-18556 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-08-07.
What is the CVSS score for CVE-2026-18556?
A CVSS score has not been assigned to CVE-2026-18556 yet.
Is CVE-2026-18556 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
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