{"id":"CVE-2026-101101","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101101","generatedAt":"2026-10-28T01:45:46.140Z","title":"A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07.","description":"A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended.","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:N/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-248"],"affected":[],"epss":{"score":0.00354,"percentile":0.28799,"date":"2026-10-26","history":[{"date":"2026-09-29","score":0.00354,"percentile":0.26536}]},"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 (0.35%). 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":"2026-09-28T18:17:17.193Z"},"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/30f8c794d5b73df5c610153043db502b2cc106cc","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2444","source":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2493","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-2026-101101","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/934981","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410976","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410976/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101101","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."}