# CVE-2026-18556

## Summary

- **CVE ID:** CVE-2026-18556
- **Severity:** HIGH
- **CVSS Score:** 8.2 (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)
- **CWE:** CWE-288
- **Published:** Aug 1, 2026
- **Last Modified:** Aug 5, 2026

## 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.

## Affected Products

- N-able — N-central (0)

## References

- [CNA](https://uptime.n-able.com/)
- [CISA-ADP](https://www.n-able.com/blog/n-central-security-update-august-2-2026)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18556)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 40.16%
- **EPSS Percentile:** 98.5

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Aug 4, 2026
- **Due Date:** Aug 7, 2026

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._