{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "n8n"
              },
              {
                "fixed": "2.41.4"
              },
              {
                "introduced": "2.42.x"
              },
              {
                "fixed": "2.42.1"
              }
            ],
            "source": "DESCRIPTION"
          },
          "events": [
            {
              "introduced": "9fbd4c0738aaae893990b342d256843fe139fd5a"
            },
            {
              "fixed": "063ba759a74de9d32debd423225c4fca5615891f"
            },
            {
              "introduced": "86c23326c9501f4ccf5bb68705aa8bb234fc2ad2"
            },
            {
              "fixed": "e1d17800aef6e82cda5d8e58908e00ae47a1af4b"
            }
          ],
          "repo": "https://github.com/n8n-io/n8n",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-2r5r-xgvc-rj4p"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110851.json"
  },
  "details": "n8n before 2.41.4 and 2.42.x before 2.42.1 contains an authorization bypass in the Agents create endpoint, which accepts a caller-supplied Agent ID, checks permissions only against the requested project, and updates an existing Agent without verifying which project owns it. An authenticated user with read-only Agent access to another project can supply an existing Agent ID to move that Agent into their own project and rewrite its name, schema and version.",
  "id": "CVE-2026-110851",
  "modified": "2026-10-16T02:30:25.897839060Z",
  "published": "2026-10-14T22:52:27.451Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110851.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-2r5r-xgvc-rj4p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110851"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-cross-project-agent-ownership-transfer-via-agents-create-endpoint"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "n8n before 2.41.4 and 2.42.1 Cross-Project Agent Ownership Transfer via Agents Create Endpoint"
}