{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.0"
              },
              {
                "last_affected": "1.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "fd34acb6be63a67ed9dbbc7f2f59f7c6f8c01247"
            },
            {
              "last_affected": "fd34acb6be63a67ed9dbbc7f2f59f7c6f8c01247"
            }
          ],
          "repo": "https://github.com/ag-ui-protocol/ag-ui",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-345",
      "CWE-346"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92360.json"
  },
  "details": "A weakness has been identified in ag-ui-protocol ag-ui 1.0. The impacted element is the function prepareRunAgentInput of the file agent/agent.ts of the component Event Application Layer. This manipulation of the argument TEXT_MESSAGE_START causes origin validation error. Remote exploitation of the attack is possible. The pull request to fix this issue awaits acceptance.",
  "id": "CVE-2026-92360",
  "modified": "2026-09-18T03:30:21.715210157Z",
  "published": "2026-09-16T12:30:09.510Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ag-ui-protocol/ag-ui/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92360.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92360"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-92360"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/934950"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/405446"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/ag-ui-protocol/ag-ui/issues/2437"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/405446/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ag-ui-protocol/ag-ui/pull/2701"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validation"
}