CVE-2026-101101: AG-UI-Protocol AG-UI

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended.

Affected products

Published 2026-09-28. Last modified 2026-09-28.