# CVE-2026-86206 — N-able N-central

> As of 2026-09-05, CVE-2026-86206 is a Medium-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in N-able N-central, CVSS v4.0 6.9, EPSS 0.2% (20.9th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-86206 as of 2026-09-05; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-05

## What is CVE-2026-86206?

A vulnerability in the N-central internal API access control filter allows unauthorised access to internal APIs. This is fixed in N-central 2026.3 HF3 and 2026.4

The record classifies CVE-2026-86206 under weakness class [CWE-791](https://cwe.mitre.org/data/definitions/791.html). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 30 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 6.9 — Medium (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 20.9% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-05

## Is CVE-2026-86206 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [N-able](https://intel.threadlinqs.com/vendors/n-able): N-central

## How to fix CVE-2026-86206

No vendor patch reference has been recorded for CVE-2026-86206 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-86206

No threat campaign in the Threadlinqs corpus currently references CVE-2026-86206, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-09-06. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [documentation.n-able.com — release notes](https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm)
- [me.n-able.com — vendor advisory](https://me.n-able.com/s/security-advisory/aArVy0000002LTNKA2/cve202686206-access-control-filter-bypass-allows-unauthorised-access-to-apis)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-86206
Full detection coverage and IOCs for threats exploiting CVE-2026-86206 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp