CVE-2026-18556

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.

References

• https://uptime.n-able.com/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-18556
• https://www.n-able.com/blog/n-central-security-update-august-2-2026
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2026-18556
• https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/
• https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
• https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-51918