Question 1

What is CVE-2026-18577 — N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability?

Accepted Answer

N-able N-central contains an authentication bypass using an alternate path or channel allows for authentication bypass and account takeover in N-central. This vulnerability is the result of an incomplete patch for CVE-2026-18556.

Question 2

What is the authoritative source for CVE-2026-18577?

Accepted Answer

N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability (CVE-2026-18577) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVSS	8.1 ()
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS	14.62% probability of exploitation · percentile 96.6% · 2026-10-05T12:00:23Z
Last modified	2026-08-04

CVE-2026-18577N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

Description

Scoring

CISA KEV entry