{"id":"CVE-2026-92360","state":"PUBLISHED","title":"ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validation","description":"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.","publishedAt":"2026-09-16T12:30:09.510Z","updatedAt":"2026-09-22T15:45:46.190Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["ag-ui-protocol ag-ui"],"affected":[{"vendor":"ag-ui-protocol","product":"ag-ui","versions":[{"version":"1.0","status":"affected"}],"cpes":["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"],"modules":["Event Application Layer"]}],"references":["https://vuldb.com/vuln/405446","https://vuldb.com/vuln/405446/cti","https://vuldb.com/cve/CVE-2026-92360","https://vuldb.com/submit/934950","https://github.com/ag-ui-protocol/ag-ui/issues/2437","https://github.com/ag-ui-protocol/ag-ui/pull/2701","https://github.com/ag-ui-protocol/ag-ui/"],"weaknesses":["CWE-346","CWE-345"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92360.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92360","state":"PUBLISHED","datePublished":"2026-09-16T12:30:09.510Z","dateUpdated":"2026-09-22T15:45:46.190Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-16T05:36:05.161Z"},"containers":{"cna":{"title":"ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validation","descriptions":[{"lang":"en","value":"A weakness has been identified in ag-ui-protocol ag-ui 1.0. 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