{"id":"CVE-2026-101101","state":"PUBLISHED","title":"ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception","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.","publishedAt":"2026-09-28T17:45:11.629Z","updatedAt":"2026-09-28T18:13:33.954Z","severity":{"score":5.3,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["ag-ui-protocol ag-ui"],"affected":[{"vendor":"ag-ui-protocol","product":"ag-ui","versions":[{"version":"2026-09-07","status":"affected"},{"version":"2026-09-08","status":"unaffected"}],"cpes":["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"],"modules":["Middleware"]}],"references":["https://vuldb.com/vuln/410976","https://vuldb.com/vuln/410976/cti","https://vuldb.com/cve/CVE-2026-101101","https://vuldb.com/submit/934981","https://github.com/ag-ui-protocol/ag-ui/issues/2444","https://github.com/ag-ui-protocol/ag-ui/pull/2493","https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106cc","https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08","https://github.com/ag-ui-protocol/ag-ui/"],"weaknesses":["CWE-248"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/101xxx/CVE-2026-101101.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101101","state":"PUBLISHED","datePublished":"2026-09-28T17:45:11.629Z","dateUpdated":"2026-09-28T18:13:33.954Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-28T02:53:41.099Z"},"containers":{"cna":{"title":"ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"ag-ui-protocol","product":"ag-ui","versions":[{"version":"2026-09-07","status":"affected"},{"version":"2026-09-08","status":"unaffected"}],"cpes":["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"],"modules":["Middleware"]}],"references":[{"url":"https://vuldb.com/vuln/410976","name":"VDB-410976 | ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/410976/cti","name":"VDB-410976 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-101101","name":"CVE-2026-101101 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/934981","name":"Submit #934981 | ag-ui-protocol ag-ui v1.0 CWE-248","tags":["third-party-advisory"]},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2444","tags":["issue-tracking"]},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2493","tags":["issue-tracking","patch"]},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106cc","tags":["patch"]},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08","tags":["patch"]},{"url":"https://github.com/ag-ui-protocol/ag-ui/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-248","type":"CWE","lang":"en","description":"Uncaught Exception"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-28T17:45:11.629Z"},"timeline":[{"time":"2026-09-08T00:00:00.000Z","lang":"en","value":"Countermeasure disclosed"},{"time":"2026-09-28T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-28T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-28T04:59:01.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"meraklbz (VulDB User)","type":"reporter"}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-28T18:13:26.343570Z","id":"CVE-2026-101101","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T18:13:33.954Z"}}]}}}