What it is
CVE-2026-86218 is an unauthenticated pre-authentication remote code execution affecting N-able N-central. N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.
Vulnerability report
pre-authentication remote code execution
N-able / N-central · affected before 2026.3.1.14
Decision summary
Direct answers before the deeper technical record.
What it is
CVE-2026-86218 is an unauthenticated pre-authentication remote code execution affecting N-able N-central. N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.
Is it exploited?
Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.
Who is affected?
N-able / N-central affected before 2026.3.1.14.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.
Exploitation evidence
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
N-able Uptime
Independent exploitation attestation added to the Previdian record.
Per-source evidence links for KEV attestations are available through the Previdian Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| N-able Uptime First | 2026-09-06 04:15 UTC |
Detection
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Request targets and User-Agents available in Pro. Callback host details available in Enterprise.
No scanner integrations recorded yet.
No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Risk and context
CVSS v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.4%
Recent mention · N-able Uptime
**URGENT: N-CENTRAL IMMEDIATE HOTFIX REQUIRED** We recently communicated about two security vulnerabilities within N-central that were responsibly disclosed by a third party through our voluntary security disclosure program (https://uptime.n-able.com/event/201813/). To address...
Read full advisoryRecent mention · N-able Uptime
URGENT: N-CENTRAL IMMEDIATE HOTFIX REQUIREDN-able Uptime · 06 Sep 2026
**URGENT: N-CENTRAL IMMEDIATE HOTFIX REQUIRED** We recently communicated about two security vulnerabilities within N-central that were responsibly disclosed by a third party through our voluntary security disclosure program (https://uptime.n-able.com/event/201813/). To address these issues, we released a hotfix and strongly recommend that it be applied immediately to help ensure your environment remains protected. At the time of our initial communication, we had no confirmed evidence that either vulnerability had been exploited in production environments, though unpatched systems remained...
Recent mention · N-able Release Notes
N-central 2026.3 Hotfix 4 – CVE-2026-86218N-able Release Notes · 06 Sep 2026
Build Number: 2026.3.1.14 Last Updated: Sept 5th 2026 Security Update This hotfix includes security fixes for CVE-2026-86218 which is a critical-CVSS-rated vulnerability that could allow for pre-authenticated remote code execution on the N-central server This vulnerability was responsibly disclosed by a third party through our … Continue reading →
Timeline
High-confidence, third-party attested exploitation
Added to the Previdian curated list for closer monitoring
Vulnerability disclosed publicly
Identifier reserved by the CNA
Pro API
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
GET /api/v2/pro/kevs/CVE-2026-86218
Free JSON includes basic KEV fields{
"cve_id": "CVE-2026-86218",
"confidence": "High",
"cvss_score": 10.0,
"cvss_estimated": false,
"epss_score": 0.00411,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}