CVE-2026-86218: N-able N-central Static Code Injection Vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

Description quoted from the CVE record (assigned by N-able, published 2026-09-06).

Weakness: CWE-96 Improper neutralization of directives in statically saved code (‘static code injection’)

How it can be exploited

Exploitable over the network with low attack complexity with no special attack requirements needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. 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

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.

On CISA KEV since
2026-09-08
US federal deadline
2026-09-11
Ransomware use
Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2026-17859, EUVD-2026-72041, GHSA-5f24-g9g9-m3v8

VEDAS cluster: VEDAS:FREYASTEAR

Exploit Observer links 10 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (10)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Research and write-ups (2)

Vulnerability databases and vendor advisories (5)

Catalogue entries, not exploit evidence.

News (3)

12 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS
0.154
likely to be attacked soon
VEDAS
0.987
strong exploit evidence
On CISA KEV
Yes, since 2026-09-08
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
100.1CVE-2026-86218 EPSS over time2026-092026-11-01
VEDAS (exploit evidence)
100.9CVE-2026-86218 VEDAS over time2026-092026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

ProductAffectedNot affected
N-able N-centralbefore 2026.3.1.14Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: n-able n-central, n‑able_solutions_ulc_and_n‑able_technologies_ltd. n-central.

How to fix it

Fixed versions stated in the CVE record: 2026.3.1.14.

CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset’s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Vendor guidance:

How to detect it

Nuclei template (active check)

Nable - Remote Code Execution

N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.

Name and description quoted from the template, written by VEDAS.

The template sends 1 request (GET /login); it decides using dsl, regex matchers. Severity in the template: critical. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash
nuclei -u https://your-host -t CVE-2026-86218.yaml
Show the template (56 lines)
yaml
id: CVE-2026-86218

info:
  name: "Nable - Remote Code Execution"
  author: vedas-arpsyndicate
  severity: critical
  description: |
    N-central is vulnerable to a pre-auth remote code execution This issue affects N-central: before 2026.3.1.14.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2026-86218&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=nable&match=exact
  classification:
    cvss-metrics: 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
    cvss-score: 10.0
    cve-id: CVE-2026-86218
    cwe-id: CWE-96
  metadata:
    verified: false
  tags: cve,cve2026,n-able,n-central,rce,unauth,static-code-injection,kev,vkev,passive,nable
http:
  - raw:
      - |
        GET /login HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "ncentralVersion:")'
          - 'contains(body, "N-able N-central")'
        condition: and

      - type: dsl
        dsl:
          - 'compare_versions(nc_version, "< 2026.3.1.14")'

      - type: dsl
        dsl:
          - 'status_code == 200'

    extractors:
      - type: regex
        name: nc_version
        part: body
        internal: true
        group: 1
        regex:
          - 'ncentralVersion:\s*"([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)"'

      - type: regex
        name: detected_version
        part: body
        group: 1
        regex:
          - 'ncentralVersion:\s*"([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)"'

CVE-2026-86218.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2026-86218 Nable - Remote Code Execution. Add them to your Suricata rule set and reload.

Show the rules
suricata
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-86218 Nable - Remote Code Execution"; flow:established,to_server; http.uri; content:"login"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2026-86218; reference:url,https://www.exploit.observer/?keyword=CVE-2026-86218&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=nable&match=exact; sid:1010234; rev:1;)

CVE-2026-86218.rules on GitHub

References

Vendor advisories and patches

Government sources

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.