{"id":"CVE-2026-101100","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101100","generatedAt":"2026-10-27T23:45:25.802Z","title":"This vulnerability affects the function FilterToolCallsMiddleware of the file sdks/typescript/packages/client/src/middleware/filter-tool-calls.ts of the component Middleware.","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.","published":"2026-09-28T18:17:17.000Z","lastModified":"2026-09-28T21:03:45.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-459"],"affected":[],"epss":{"score":0.00299,"percentile":0.22411,"date":"2026-10-26","history":[{"date":"2026-09-29","score":0.00299,"percentile":0.20313}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-28T18:17:17.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-09-28T18:17:16.977Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/ag-ui-protocol/ag-ui/","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/c346119fe870b70f5c19738ee5119f3e1456e59d","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2443","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2494","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-101100","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/934980","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410975","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410975/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101100","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}