{
  "document" : {
    "aggregate_severity" : {
      "text" : "hoch"
    },
    "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" : "Der NATS-Server ist ein Server für NATS.io, das Cloud- und Edge-native Messaging-System.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein Angreifer kann mehrere Schwachstellen in NATS Server ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen und um Dateien zu manipulieren.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- UNIX",
      "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-2026-4560 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4560.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2026-4560 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4560"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-27c4-m7hq-v6pw vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-27c4-m7hq-v6pw"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-2wxw-wgx7-4ffx vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-2wxw-wgx7-4ffx"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-42wr-c22f-4h5c vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-42wr-c22f-4h5c"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-4fpp-8grw-j976 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-4fpp-8grw-j976"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-5qvj-hvwx-q9qf vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-5qvj-hvwx-q9qf"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-5v9x-4f9q-q7qj vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-5v9x-4f9q-q7qj"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-5xw9-67vx-qppr vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-5xw9-67vx-qppr"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-65q4-982r-rm5c vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-65q4-982r-rm5c"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-724w-jvcm-4c58 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-724w-jvcm-4c58"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-72gq-694q-fj66 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-72gq-694q-fj66"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-7mrx-vpq7-fhmp vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-7mrx-vpq7-fhmp"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-8fcg-2fq8-c8qc vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-8fcg-2fq8-c8qc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-8xmc-886f-g496 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-8xmc-886f-g496"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-9qgw-9q78-p7xv vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-9qgw-9q78-p7xv"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-c5hj-fqj4-pj32 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-c5hj-fqj4-pj32"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-fwrx-9r9q-h7p4 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-fwrx-9r9q-h7p4"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-g9p6-654w-mr9v vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-g9p6-654w-mr9v"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-gc58-jp35-x246 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-gc58-jp35-x246"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-h9r4-8j36-3c2f vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-h9r4-8j36-3c2f"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hm5m-vqj5-vf2q vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-hm5m-vqj5-vf2q"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-hwrp-2926-g93m vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-hwrp-2926-g93m"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-m996-6cph-cjhc vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-m996-6cph-cjhc"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-mf72-w5mg-h2mg vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-mf72-w5mg-h2mg"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-p29q-ccgc-hcg7 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-p29q-ccgc-hcg7"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-p8x9-xrv7-3g8j vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-p8x9-xrv7-3g8j"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-q57r-qh7g-9wgm vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-q57r-qh7g-9wgm"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-r9gv-x84w-62mr vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-r9gv-x84w-62mr"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-rr37-7hx9-8xw5 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-rr37-7hx9-8xw5"
    }, {
      "category" : "external",
      "summary" : "GitHub Security Advisory GHSA-vqv6-8g5v-c9c4 vom 2026-11-12",
      "url" : "https://github.com/nats-io/nats-server/security/advisories/GHSA-vqv6-8g5v-c9c4"
    } ],
    "source_lang" : "en-US",
    "title" : "NATS Server: Mehrere Schwachstellen",
    "tracking" : {
      "current_release_date" : "2026-11-12T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-11-13T13:22:50.584+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.7.0"
        }
      },
      "id" : "WID-SEC-W-2026-4560",
      "initial_release_date" : "2026-11-12T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2026-11-12T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<2.15.3",
          "product" : {
            "name" : "Open Source NATS Server <2.15.3",
            "product_id" : "T063125"
          }
        }, {
          "category" : "product_version",
          "name" : "2.15.3",
          "product" : {
            "name" : "Open Source NATS Server 2.15.3",
            "product_id" : "T063125-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:nats:nats_server:2.15.3"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NATS Server"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "product_status" : {
      "known_affected" : [ "T063125" ]
    },
    "release_date" : "2026-11-12T23:00:00.000+00:00"
  } ]
}