{
  "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 mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren oder offenzulegen sowie Denial-of-Service-Zustände auszulösen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Sonstiges\n- UNIX\n- Windows",
      "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-2026-4185 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4185.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-4185 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4185"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-5572-968j-v7g5 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5572-968j-v7g5"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-67c5-gw7r-w35f vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-67c5-gw7r-w35f"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-6m4h-j3wr-v388 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6m4h-j3wr-v388"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-c47x-m7w6-c4q8 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c47x-m7w6-c4q8"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-g8qc-xvwr-f684 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g8qc-xvwr-f684"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-gxg4-gmhx-4qj3 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gxg4-gmhx-4qj3"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-p9qq-6vpv-x7wj vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p9qq-6vpv-x7wj"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-qwm4-h3xh-gmvc vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qwm4-h3xh-gmvc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-w7pp-8m7c-555c vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w7pp-8m7c-555c"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-x4hv-m8g6-5cj4 vom 2026-10-26",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x4hv-m8g6-5cj4"
    } ],
    "source_lang" : "en-US",
    "title" : "Nextcloud (Server, Tables, Whiteboard, Files Confidential, Collectives, Richdocuments): Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-10-26T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-10-27T13:26:45.278+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.7.0"
        }
      },
      "id" : "WID-SEC-W-2026-4185",
      "initial_release_date" : "2026-10-26T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-10-26T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Files Confidential",
          "product" : {
            "name" : "Nextcloud Nextcloud Files Confidential",
            "product_id" : "T061928",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:files_confidential"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Collectives",
          "product" : {
            "name" : "Nextcloud Nextcloud Collectives",
            "product_id" : "T061929",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:collectives"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Richdocuments",
          "product" : {
            "name" : "Nextcloud Nextcloud Richdocuments",
            "product_id" : "T061930",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:richdocuments"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Server",
          "product" : {
            "name" : "Nextcloud Nextcloud Server",
            "product_id" : "T061931",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Tables",
          "product" : {
            "name" : "Nextcloud Nextcloud Tables",
            "product_id" : "T061932",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:tables"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "Whiteboard",
          "product" : {
            "name" : "Nextcloud Nextcloud Whiteboard",
            "product_id" : "T061933",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:whiteboard"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Nextcloud"
      } ],
      "category" : "vendor",
      "name" : "Nextcloud"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-114601",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-114601"
  }, {
    "cve" : "CVE-2026-67400",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-67400"
  }, {
    "cve" : "CVE-2026-77167",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-77167"
  }, {
    "cve" : "CVE-2026-77171",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-77171"
  }, {
    "cve" : "CVE-2026-77172",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-77172"
  }, {
    "cve" : "CVE-2026-77173",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-77173"
  }, {
    "cve" : "CVE-2026-82983",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-82983"
  }, {
    "cve" : "CVE-2026-82984",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-82984"
  }, {
    "cve" : "CVE-2026-82986",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-82986"
  }, {
    "cve" : "CVE-2026-87897",
    "product_status" : {
      "known_affected" : [ "T061931", "T061932", "T061933", "T061930", "T061928", "T061929" ]
    },
    "release_date" : "2026-10-26T23:00:00.000+00:00",
    "title" : "CVE-2026-87897"
  } ]
}