{
  "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 entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Informationen offenzulegen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- 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-2026-2685 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2685.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-2685 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2685"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-99gw-ww6p-f2rr vom 2026-08-05",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-99gw-ww6p-f2rr"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-vq3v-jv6f-6xp2 vom 2026-08-05",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vq3v-jv6f-6xp2"
    } ],
    "source_lang" : "en-US",
    "title" : "Nextcloud: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-08-05T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-08-06T11:56:10.126+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-2685",
      "initial_release_date" : "2026-08-05T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-08-05T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "server <32.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud server <32.0.12",
            "product_id" : "T057669"
          }
        }, {
          "category" : "product_version",
          "name" : "server 32.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud server 32.0.12",
            "product_id" : "T057669-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__32.0.12"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "server <33.0.6",
          "product" : {
            "name" : "Nextcloud Nextcloud server <33.0.6",
            "product_id" : "T057670"
          }
        }, {
          "category" : "product_version",
          "name" : "server 33.0.6",
          "product" : {
            "name" : "Nextcloud Nextcloud server 33.0.6",
            "product_id" : "T057670-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__33.0.6"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "server <34.0.1",
          "product" : {
            "name" : "Nextcloud Nextcloud server <34.0.1",
            "product_id" : "T057671"
          }
        }, {
          "category" : "product_version",
          "name" : "server 34.0.1",
          "product" : {
            "name" : "Nextcloud Nextcloud server 34.0.1",
            "product_id" : "T057671-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__34.0.1"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "mail <3.7.25",
          "product" : {
            "name" : "Nextcloud Nextcloud mail <3.7.25",
            "product_id" : "T057672"
          }
        }, {
          "category" : "product_version",
          "name" : "mail 3.7.25",
          "product" : {
            "name" : "Nextcloud Nextcloud mail 3.7.25",
            "product_id" : "T057672-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:mail__3.7.25"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "mail <5.5.16",
          "product" : {
            "name" : "Nextcloud Nextcloud mail <5.5.16",
            "product_id" : "T057673"
          }
        }, {
          "category" : "product_version",
          "name" : "mail 5.5.16",
          "product" : {
            "name" : "Nextcloud Nextcloud mail 5.5.16",
            "product_id" : "T057673-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:mail__5.5.16"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "mail <5.6.20",
          "product" : {
            "name" : "Nextcloud Nextcloud mail <5.6.20",
            "product_id" : "T057674"
          }
        }, {
          "category" : "product_version",
          "name" : "mail 5.6.20",
          "product" : {
            "name" : "Nextcloud Nextcloud mail 5.6.20",
            "product_id" : "T057674-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:mail__5.6.20"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "mail <5.7.13",
          "product" : {
            "name" : "Nextcloud Nextcloud mail <5.7.13",
            "product_id" : "T057675"
          }
        }, {
          "category" : "product_version",
          "name" : "mail 5.7.13",
          "product" : {
            "name" : "Nextcloud Nextcloud mail 5.7.13",
            "product_id" : "T057675-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:mail__5.7.13"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Nextcloud"
      } ],
      "category" : "vendor",
      "name" : "Nextcloud"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-61527",
    "product_status" : {
      "known_affected" : [ "T057669", "T057670", "T057671" ]
    },
    "release_date" : "2026-08-05T22:00:00.000+00:00",
    "title" : "CVE-2026-61527"
  }, {
    "cve" : "CVE-2026-61545",
    "product_status" : {
      "known_affected" : [ "T057672", "T057673", "T057674", "T057675" ]
    },
    "release_date" : "2026-08-05T22:00:00.000+00:00",
    "title" : "CVE-2026-61545"
  } ]
}