CVE-2026-92360

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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ag-ui-protocol/ag-ui/
https://github.com/ag-ui-protocol/ag-ui/issues/2437
https://github.com/ag-ui-protocol/ag-ui/pull/2701
https://vuldb.com/cve/CVE-2026-92360
https://vuldb.com/submit/934950
https://vuldb.com/vuln/405446
https://vuldb.com/vuln/405446/cti

Configurations

No configuration.

History

23 Sep 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en ag-ui-protocolo ag-ui 1.0. El elemento afectado es la función prepareRunAgentInput del archivo agent/agent.ts del componente Event Application Layer. Esta manipulación del argumento TEXT_MESSAGE_START causa un error de validación de origen. Es posible la explotación remota del ataque. La solicitud de extracción para solucionar este problema espera aceptación.

16 Sep 2026, 13:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-16 13:18

Updated : 2026-09-23 11:10

NVD link : CVE-2026-92360

Mitre link : CVE-2026-92360

CVE.ORG link : CVE-2026-92360

JSON object : View

Products Affected

No product.

CWE

CWE-345

Insufficient Verification of Data Authenticity

CWE-346

Origin Validation Error

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