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CVE-2026-92360

ag-ui-protocol ag-ui Event Application Layer agent.ts prepareRunAgentInput origin validation

CVSS 4.0 5.3 MEDIUMCVSS 3.1 6.3 MEDIUMCVSS 3.0 6.3 MEDIUMCVSS 2.0 6.5 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92360

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92360

Published

ag-ui

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "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"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON