{"id":"CVE-2026-101100","title":"A flaw has been found in ag-ui-protocol ag-ui up to 2026-09-07","summary":"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…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cwe":["CWE-459"],"vendor":"ag-ui-protocol","product":"ag-ui","affected":["ag-ui 2026-09-07"],"published":"2026-09-28","updated":"2026-09-28","sourceUpdated":"2026-09-28T18:17:16.977","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101100","references":[{"url":"https://github.com/ag-ui-protocol/ag-ui/","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/c346119fe870b70f5c19738ee5119f3e1456e59d","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2443","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2494","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-101100","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/934980","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410975","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410975/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-28T17:47:46.613540Z"},"ingestedAt":"2026-09-28T18:17:54.303Z","slug":"CVE-2026-101100","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}