{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "N-able heeft een kwetsbaarheid verholpen in N-central versies eerder dan 2026.3.1.14.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheid betreft een pre-authenticatie remote code execution flaw. Een aanvaller kan hierdoor op afstand willekeurige code uitvoeren op het getroffen systeem zonder enige vorm van authenticatie. Alle installaties die draaien op de kwetsbare versies van N-central zijn getroffen. Klanten met een on-premises N-central-omgeving wordt geadviseerd zo snel mogelijk te upgraden naar N-central 2026.3 HF4. Voor gebruikers van een gehoste N-central-instantie (NCOD) zijn de patches al toegepast. Er is op dit moment geen actie vereist.\n\nN-able meldt dat pogingen tot exploitatie zijn waargenomen, volg het advies van N-able op om onderzoek te doen naar IoC\u0027s.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "N-able heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Zie bijgevoegde referenties voor meer informatie.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Improper Neutralization of Directives in Statically Saved Code (\u0027Static Code Injection\u0027)",
        "title": "CWE-96"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF4_Release_Notes.htm"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://me.n-able.com/s/security-advisory/aArVy0000002Ld3KAE/cve202686218-preauthentication-remote-code-execution"
      },
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://www.n-able.com/blog/n-central-security-hotfix-september-5-2026"
      }
    ],
    "title": "Kwetsbaarheid verholpen in N-central van N-able",
    "tracking": {
      "current_release_date": "2026-09-07T11:34:49.184046Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2026-0342",
      "initial_release_date": "2026-09-07T11:34:49.184046Z",
      "revision_history": [
        {
          "date": "2026-09-07T11:34:49.184046Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "N-central"
          }
        ],
        "category": "vendor",
        "name": "N-able"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-86218",
      "cwe": {
        "id": "CWE-96",
        "name": "Improper Neutralization of Directives in Statically Saved Code (\u0027Static Code Injection\u0027)"
      },
      "notes": [
        {
          "category": "other",
          "text": "Improper Neutralization of Directives in Statically Saved Code (\u0027Static Code Injection\u0027)",
          "title": "CWE-96"
        },
        {
          "category": "description",
          "text": "N-central versions prior to 2026.3.1.14 contain a pre-authentication remote code execution vulnerability that allows attackers to execute arbitrary code remotely without prior authentication.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "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",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-86218 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-86218.json"
        }
      ],
      "title": "CVE-2026-86218"
    }
  ]
}