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

N-able N-central

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. Added to CISA KEV on 2026-08-03 (federal deadline 2026-08-06).

First seen: 3 Aug 2026
Last update: 3 Aug 2026, 12:00 UTC
Identifiers: CVE-2026-18577
Source: CISA KEV
On the menu as: Remote access

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: N-able N-central
Ids: CVE-2026-18577

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. Added to CISA KEV on 2026-08-03 (federal deadline 2026-08-06).

## Steps
1. This touches infrastructure (remote-support). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-18577") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF1_Release_Notes.htm https://nvd.nist.gov/vuln/detail/CVE-2026-18577 https://status.n-able.com/2026/08/02/n-central-2026-3-hotfix-1-mitigation-for-cve-2026-18577/
https://pwned.coffee/i/n-able-n-central-authentication-bypass-using-an-alternat-cve-2026-18577

Sources

Totalone hot coffee