CVE-2026-86206: CWE-791 Incomplete filtering of special elements in N-able N-central
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
CVSS v4.0
Score 6.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in N-central involves a flaw in the internal API access control filter that permits unauthorized access to internal APIs. This could potentially allow an attacker to interact with internal APIs without proper authorization. The issue is fixed in versions 2026.3 HF3 and 2026.4 of N-central. The CVSS 4.0 vector indicates network attack vector with low complexity and no privileges or user interaction required, but the overall impact is moderate. No known active exploitation has been reported.
Potential Impact
Unauthorized access to internal APIs can lead to exposure of sensitive internal functions or data, potentially compromising system integrity or confidentiality. However, no active exploitation is known, and the severity is rated moderate.
Mitigation Recommendations
Upgrade N-central to version 2026.3 HF3 or later, or 2026.4 or later, where the vulnerability has been fixed. No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9x6x-w4xq-rw3g
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86206"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9d7637acd9273b49d80664
Added to database: 09/06/2026, 14:18:31 UTC
Last enriched: 09/07/2026, 09:37:35 UTC
Last updated: 10/21/2026, 13:22:13 UTC
Views: 91
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.