CVE-2026-86206: Access control filter bypass allows unauthorised access to APIs

Severity: medium (CVSS 6.9 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-09-05 · updated 2026-09-08
Weakness: CWE-791

Description

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

Affected products

N-able N-central: before 2026.3.1.13 — fixed in 2026.3.1.13

How to fix

Upgrade to a fixed version: N-able N-central 2026.3.1.13. Check the vendor advisory for mitigations.

References

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

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