CVE-2026-86207

high

Description

An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs

References

https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral

https://thehackernews.com/2026/09/n-able-n-central-pre-auth-rce-flaw.html

https://www.securityweek.com/n-able-patches-critical-zero-day-in-n-central/

https://www.infosecurity-magazine.com/news/nable-hotfix-critical-rce/

https://www.helpnetsecurity.com/2026/09/07/n-able-n-central-hotfix-cve-2026-86218/

https://www.bleepingcomputer.com/news/security/n-able-patches-max-severity-n-central-flaw-amid-ongoing-attacks/

https://thehackernews.com/2026/09/n-able-issues-fourth-n-central-hotfix.html

https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm

Details

Source: Mitre, NVD

Published: 2026-09-05

Updated: 2026-09-08

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 7.7

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00296