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Motor.NET < 0.19.0 RabbitMQ Denial of Service via CloudEvents Headers

Type: advisorySources: OSV

Motor.NET before 0.19.0 contains a denial of service vulnerability that allows a remote attacker who can publish to a consumed queue to crash the service permanently by sending a message with crafted cloudEvents headers. Attackers can supply an invalid cloudEvents:motorversion, a single double-quote header value, or an unparsable typed attribute such as cloudEvents:time to trigger an unhandled exception in ExtractCloudEvent that is treated as fatal, causing the application to stop and the unacknowledged message to be redelivered on restart, resulting in a permanent crash-loop.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-112330
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 23:51 UTC · Revision 1

Source evidence

Motor.NET < 0.19.0 RabbitMQ Denial of Service via CloudEvents Headers

core-osv · Original source

Published 22 Oct 2026, 19:40 UTC

Motor.NET before 0.19.0 contains a denial of service vulnerability that allows a remote attacker who can publish to a consumed queue to crash the service permanently by sending a message with crafted cloudEvents headers. Attackers can supply an invalid cloudEvents:motorversion, a single double-quote header value, or an unparsable typed attribute such as cloudEvents:time to trigger an unhandled exception in ExtractCloudEvent that is treated as fatal, causing the application to stop and the unacknowledged message to be redelivered on restart, resulting in a permanent crash-loop.

osv:CVE-2026-112330
Complete source record
{
  "id": "e97c59ac33a196329e7b53e72e505633158e7bced30796a2eb930f2aac4ae2ce",
  "url": "https://osv.dev/vulnerability/CVE-2026-112330",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Motor.NET < 0.19.0 RabbitMQ Denial of Service via CloudEvents Headers",
    "summary": "Motor.NET before 0.19.0 contains a denial of service vulnerability that allows a remote attacker who can publish to a consumed queue to crash the service permanently by sending a message with crafted cloudEvents headers. Attackers can supply an invalid cloudEvents:motorversion, a single double-quote header value, or an unparsable typed attribute such as cloudEvents:time to trigger an unhandled exception in ExtractCloudEvent that is treated as fatal, causing the application to stop and the unacknowledged message to be redelivered on restart, resulting in a permanent crash-loop.",
    "evidence": "osv:CVE-2026-112330",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-112330",
      "aliases": [
        "CVE-2026-112330"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gdatasoftwareag/motornet",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c2eaa0e9ac17b28c1f7b044825c7d60e57a5600e"
                },
                {
                  "fixed": "c45559c78e6925f53e192f8896880a622282effe"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.19.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c2eaa0e9ac17b28c1f7b044825c7d60e57a5600e"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.19.0"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c45559c78e6925f53e192f8896880a622282effe"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.19.0-pre2",
            "v0.19.0-pre1",
            "v0.18.2",
            "v0.18.1",
            "v0.18.0",
            "v0.17.0",
            "v0.16.1",
            "v0.15.1",
            "v0.15.0",
            "v0.14.0",
            "v0.14.0-rc1",
            "v0.13.2",
            "v0.13.1",
            "v0.13.0",
            "v0.12.0",
            "v0.11.1",
            "v0.11.0",
            "v0.10.6",
            "v0.10.4",
            "v0.10.3",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.9.11",
            "v0.9.10",
            "v0.9.9",
            "v0.9.8",
            "v0.9.7",
            "v0.9.6",
            "v0.9.5",
            "v0.9.4",
            "v0.9.3",
            "v0.9.2",
            "V0.9.1",
            "v0.9.0",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.4",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.7.0",
            "v0.6.14",
            "v0.6.13",
            "v0.6.12",
            "v0.6.11",
            "v0.6.10",
            "v0.6.9",
            "v0.6.8",
            "v0.6",
            "v0.6.7",
            "v0.6.6",
            "v0.6.5",
            "v0.6.4",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1",
            "v0.6.0",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112330.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.337427243Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112330.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-112330",
        "https://www.vulncheck.com/advisories/motor-net-rabbitmq-denial-of-service-via-cloudevents-headers",
        "https://github.com/GDATASoftwareAG/motornet/commit/c45559c78e6925f53e192f8896880a622282effe",
        "https://github.com/GDATASoftwareAG/motornet/pull/1785",
        "https://github.com/GDATASoftwareAG/motornet/releases/tag/v0.19.0",
        "https://github.com/GDATASoftwareAG/motornet"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-755"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112330.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-112330",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508137,
  "published_at": "2026-10-22T19:40:15.18+00:00"
}