CVE-2026-18577

Description

An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1

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-2026-18577
• 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-2026-18577
• 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-2026-52010
• https://github.com/HORKimhab/CVE-2026-18577
• https://raw.githubusercontent.com/HORKimhab/CVE-2026-18577/main/README.md