CVE-2026-101100
MEDIUMCVSS 5.4Description
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.
Timeline
Published:September 28th, 2026 6:17 PM
Last modified:September 28th, 2026 9:03 PM
CVSS Scoring
CVSS v3: 5.4 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v2: 5.5
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/ag-ui-protocol/ag-ui/
- https://github.com/ag-ui-protocol/ag-ui/commit/c346119fe870b70f5c19738ee5119f3e1456e59d
- https://github.com/ag-ui-protocol/ag-ui/issues/2443
- https://github.com/ag-ui-protocol/ag-ui/pull/2494
- https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08
- https://vuldb.com/cve/CVE-2026-101100
- https://vuldb.com/submit/934980
- https://vuldb.com/vuln/410975
- https://vuldb.com/vuln/410975/cti
Source: NIST NVD · Data may lag official sources by up to one minute