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    CVE-2026-101100

    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.

    Published:Sep 28, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 28, 2026
    EPSS Score:0.00299
    CVSS Score:5.4

    Affected Products

    Vendor
    Ag-ui-protocol
    Product
    Ag-ui

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-459 Incomplete Cleanup

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-120233 (CVSS 5.5) — A security flaw has been discovered in ag-ui-protocol ag-ui up to 0.0.58. This affects an unknown function of …
    CVE-2026-101101 (CVSS 5.3) — A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.…
    CVE-2026-101099 (CVSS 5.3) — A vulnerability was detected in ag-ui-protocol ag-ui up to 2026-09-23. This affects an unknown part of the fil…
    CVE-2026-101098 (CVSS 5.3) — A security vulnerability has been detected in ag-ui-protocol ag-ui up to 2026-09-23. Affected by this issue is…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High