CVE-2026-101100
Medium
Description
A flaw has been found in ag-ui-protocol ag-ui up to 2026-09-07. This vulnerability affects the function FilterToolCallsMiddleware of the file sdks/typescript/packages/client/src/middleware/filter-tool-calls.ts of the component Middleware. Executing a manipulation can lead to incomplete cleanup. The attack may be launched remotely. Upgrading to version 2026-09-08 is able to resolve this issue. This patch is called c346119fe870b70f5c19738ee5119f3e1456e59d. It is suggested to upgrade the affected component.
SeverityMedium
CVSS5.4
Exploit probability—
ProductAg-ui
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-459CWE-459
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ag-ui-protocol ag-ui | 2026-09-07 | — |
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