{
  "document" : {
    "aggregate_severity" : {
      "text" : "mittel"
    },
    "category" : "csaf_base",
    "csaf_version" : "2.0",
    "distribution" : {
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "de-DE",
    "notes" : [ {
      "category" : "legal_disclaimer",
      "text" : "Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen."
    }, {
      "category" : "description",
      "text" : "Nextcloud ist eine \"on-premise\" Plattform für Dateifreigabe und Zusammenarbeit.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann eine Schwachstelle in Nextcloud ausnutzen, um beliebigen Programmcode auszuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2026-3439 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3439.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-3439 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3439"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-7hwf-8pcj-33h4 vom 2026-09-17",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7hwf-8pcj-33h4"
    } ],
    "source_lang" : "en-US",
    "title" : "Nextcloud: Schwachstelle ermöglicht Codeausführung",
    "tracking" : {
      "current_release_date" : "2026-09-16T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-09-17T11:41:35.586+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-3439",
      "initial_release_date" : "2026-09-16T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-09-16T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
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    "release_date" : "2026-09-16T22:00:00.000+00:00"
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}