{
  "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, einen Denial of Service zu verursachen 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-2026-1773 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1773.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-1773 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1773"
    }, {
      "category" : "external",
      "summary" : "Nextcloud Security Advisory vom 2026-06-01",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jgcj-v42r-9922"
    }, {
      "category" : "external",
      "summary" : "Nextcloud Security Advisory vom 2026-06-01",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5h2w-c7px-hp4j"
    }, {
      "category" : "external",
      "summary" : "Nextcloud Security Advisory vom 2026-06-01",
      "url" : "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhj"
    } ],
    "source_lang" : "en-US",
    "title" : "Nextcloud: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-06-01T22:00:00.000+00:00",
      "generator" : {
        "date" : "2026-06-02T10:57:27.442+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.6.0"
        }
      },
      "id" : "WID-SEC-W-2026-1773",
      "initial_release_date" : "2026-06-01T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-06-01T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "Server <33.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Server <33.0.3",
            "product_id" : "T053812"
          }
        }, {
          "category" : "product_version",
          "name" : "Server 33.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Server 33.0.3",
            "product_id" : "T053812-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__33.0.3"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Server <32.0.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Server <32.0.9",
            "product_id" : "T054000"
          }
        }, {
          "category" : "product_version",
          "name" : "Server 32.0.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Server 32.0.9",
            "product_id" : "T054000-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__32.0.9"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <33.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <33.0.3",
            "product_id" : "T054001"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 33.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 33.0.3",
            "product_id" : "T054001-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__33.0.3"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <32.0.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <32.0.9",
            "product_id" : "T054002"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 32.0.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 32.0.9",
            "product_id" : "T054002-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__32.0.9"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <31.0.14.5",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <31.0.14.5",
            "product_id" : "T054003"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 31.0.14.5",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 31.0.14.5",
            "product_id" : "T054003-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__31.0.14.5"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <30.0.17.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <30.0.17.9",
            "product_id" : "T054004"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 30.0.17.9",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 30.0.17.9",
            "product_id" : "T054004-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__30.0.17.9"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <29.0.16.16",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <29.0.16.16",
            "product_id" : "T054005"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 29.0.16.16",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 29.0.16.16",
            "product_id" : "T054005-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__29.0.16.16"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Tables <0.9.7",
          "product" : {
            "name" : "Nextcloud Nextcloud Tables <0.9.7",
            "product_id" : "T054941"
          }
        }, {
          "category" : "product_version",
          "name" : "Tables 0.9.7",
          "product" : {
            "name" : "Nextcloud Nextcloud Tables 0.9.7",
            "product_id" : "T054941-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:tables__0.9.7"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Tables <1.0.2",
          "product" : {
            "name" : "Nextcloud Nextcloud Tables <1.0.2",
            "product_id" : "T054942"
          }
        }, {
          "category" : "product_version",
          "name" : "Tables 1.0.2",
          "product" : {
            "name" : "Nextcloud Nextcloud Tables 1.0.2",
            "product_id" : "T054942-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:tables__1.0.2"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Server <31.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud Server <31.0.12",
            "product_id" : "T054943"
          }
        }, {
          "category" : "product_version",
          "name" : "Server 31.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud Server 31.0.12",
            "product_id" : "T054943-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__31.0.12"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Server <32.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Server <32.0.3",
            "product_id" : "T054944"
          }
        }, {
          "category" : "product_version",
          "name" : "Server 32.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Server 32.0.3",
            "product_id" : "T054944-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:server__32.0.3"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <21.0.9.20",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <21.0.9.20",
            "product_id" : "T054945"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 21.0.9.20",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 21.0.9.20",
            "product_id" : "T054945-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__21.0.9.20"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <22.2.10.35",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <22.2.10.35",
            "product_id" : "T054946"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 22.2.10.35",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 22.2.10.35",
            "product_id" : "T054946-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__22.2.10.35"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <23.0.12.31",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <23.0.12.31",
            "product_id" : "T054947"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 23.0.12.31",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 23.0.12.31",
            "product_id" : "T054947-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__23.0.12.31"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <24.0.12.30",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <24.0.12.30",
            "product_id" : "T054948"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 24.0.12.30",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 24.0.12.30",
            "product_id" : "T054948-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__24.0.12.30"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <25.0.13.25",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <25.0.13.25",
            "product_id" : "T054949"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 25.0.13.25",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 25.0.13.25",
            "product_id" : "T054949-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__25.0.13.25"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <26.0.13.22",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <26.0.13.22",
            "product_id" : "T054950"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 26.0.13.22",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 26.0.13.22",
            "product_id" : "T054950-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__26.0.13.22"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <27.1.11.22",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <27.1.11.22",
            "product_id" : "T054951"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 27.1.11.22",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 27.1.11.22",
            "product_id" : "T054951-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__27.1.11.22"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <28.0.14.13",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <28.0.14.13",
            "product_id" : "T054952"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 28.0.14.13",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 28.0.14.13",
            "product_id" : "T054952-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__28.0.14.13"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <29.0.16.10",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <29.0.16.10",
            "product_id" : "T054953"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 29.0.16.10",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 29.0.16.10",
            "product_id" : "T054953-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__29.0.16.10"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <30.0.17.5",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <30.0.17.5",
            "product_id" : "T054954"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 30.0.17.5",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 30.0.17.5",
            "product_id" : "T054954-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__30.0.17.5"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <31.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <31.0.12",
            "product_id" : "T054955"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 31.0.12",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 31.0.12",
            "product_id" : "T054955-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__31.0.12"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "Enterprise Server <32.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server <32.0.3",
            "product_id" : "T054956"
          }
        }, {
          "category" : "product_version",
          "name" : "Enterprise Server 32.0.3",
          "product" : {
            "name" : "Nextcloud Nextcloud Enterprise Server 32.0.3",
            "product_id" : "T054956-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nextcloud:nextcloud:enterprise_server__32.0.3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Nextcloud"
      } ],
      "category" : "vendor",
      "name" : "Nextcloud"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2026-45690",
    "product_status" : {
      "known_affected" : [ "T054002", "T054001", "T054000", "T054945", "T054956", "T054944", "T054955", "T053812", "T054943", "T054954", "T054953", "T054952", "T054951", "T054005", "T054950", "T054004", "T054003", "T054949", "T054948", "T054947", "T054946" ]
    },
    "release_date" : "2026-06-01T22:00:00.000+00:00",
    "title" : "CVE-2026-45690"
  }, {
    "cve" : "CVE-2026-45722",
    "product_status" : {
      "known_affected" : [ "T054954", "T054942", "T054941" ]
    },
    "release_date" : "2026-06-01T22:00:00.000+00:00",
    "title" : "CVE-2026-45722"
  }, {
    "cve" : "CVE-2026-45810",
    "product_status" : {
      "known_affected" : [ "T054945", "T054956", "T054944", "T054955", "T054943", "T054954", "T054953", "T054952", "T054951", "T054950", "T054949", "T054948", "T054947", "T054946" ]
    },
    "release_date" : "2026-06-01T22:00:00.000+00:00",
    "title" : "CVE-2026-45810"
  } ]
}