CVE-2026-101100
Published:September 28, 2026
Updated:October 08, 2026
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.
Affected Packages
https://github.com/ag-ui-protocol/ag-ui.git (GITHUB):
Affected version(s) >=@ag-ui/client@0.0.54 <@ag-ui/client@1.0.0Fix Suggestion:
Update to version @ag-ui/client@1.0.0@ag-ui/client (NPM):
Affected version(s) >=0.0.42-alpha.3 <1.0.0Fix Suggestion:
Update to version 1.0.0Related Resources (11)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
NOT DEFINED
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Exploit Maturity
NOT DEFINED
Weakness Type (CWE)
Incomplete Cleanup
EPSS
Base Score:
0.30