N-ableCVE-2026-18556
N-able N-central: authentication bypass
High8.2CVE-2026-18556 · Published Aug 1, 2026 · updated Aug 5, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| N-central Product | <= 2026.1 | No fix yet |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-288
More N-able advisories
All N-able| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 6 | N-able N-central: remote code execution | Critical10.0 | 2026.3.1.14 |
| Sep 5 | N-able N-central: improper access control | Medium6.9 | 2026.3.1.13 |
| Sep 5 | N-able N-central: authentication bypass | High7.7 | 2026.3.1.13 |
| Aug 21 | vault token disclosure via unvalidated postMessage vulnerability in N-able... | Medium6.9 | 3.49.6 |
| Aug 2 | N-able N-central: authentication bypass | High8.2 | No fix yet |