{"id":"CVE-2026-120235","aliases":[],"cve":{"records":[{"id":"CVE-2026-120235","source":"VulDB","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-31T20:10:43.320Z","published":"2026-11-01T16:00:21.124Z","modified":"2026-11-02T17:41:44.705Z"}],"publishers":[{"name":"VulDB","role":"CNA","organizationId":"1af790b2-7ee1-4545-860a-a788eba489b5","modified":"2026-11-01T16:00:21.124Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-02T17:41:44.705Z"}],"references":[{"url":"https://vuldb.com/vuln/429594","tags":["vdb-entry","technical-description"],"source":"VulDB"},{"url":"https://vuldb.com/vuln/429594/cti","tags":["signature","permissions-required"],"source":"VulDB"},{"url":"https://vuldb.com/cve/CVE-2026-120235","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://vuldb.com/submit/1015147","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2522","tags":["exploit","issue-tracking"],"source":"VulDB"},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2627","tags":["issue-tracking","patch"],"source":"VulDB"},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/9e7b2b00bce215bbf731f1e6094f63812527c432","tags":["patch"],"source":"VulDB"},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30","tags":["patch"],"source":"VulDB"},{"url":"https://github.com/ag-ui-protocol/ag-ui/","tags":["product"],"source":"VulDB"}],"weaknesses":[{"id":"CWE-400","description":"Resource Consumption","source":"VulDB"},{"id":"CWE-404","description":"Denial of Service","source":"VulDB"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-02T17:15:20.466792Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"ag-ui-protocol ag-ui SSE Parser sse.ts parseSSEStream resource consumption","titleSource":"VulDB","descriptionSource":"VulDB","description":"A security vulnerability has been detected in ag-ui-protocol ag-ui up to 0.0.58. Affected is the function parseSSEStream of the file sdks/typescript/packages/client/src/transform/sse.ts of the component SSE Parser. The manipulation leads to resource consumption. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is 9e7b2b00bce215bbf731f1e6094f63812527c432. The affected component should be upgraded.","score":5.3,"severity":"medium","published":"2026-11-01T16:00:21.124Z","modified":"2026-11-02T17:41:44.705Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"ag-ui-protocol","name":"ag-ui","platforms":[],"versions":[{"version":"0.0.1","status":"affected"},{"version":"0.0.2","status":"affected"},{"version":"0.0.3","status":"affected"},{"version":"0.0.4","status":"affected"},{"version":"0.0.5","status":"affected"},{"version":"0.0.6","status":"affected"},{"version":"0.0.7","status":"affected"},{"version":"0.0.8","status":"affected"},{"version":"0.0.9","status":"affected"},{"version":"0.0.10","status":"affected"},{"version":"0.0.11","status":"affected"},{"version":"0.0.12","status":"affected"},{"version":"0.0.13","status":"affected"},{"version":"0.0.14","status":"affected"},{"version":"0.0.15","status":"affected"},{"version":"0.0.16","status":"affected"},{"version":"0.0.17","status":"affected"},{"version":"0.0.18","status":"affected"},{"version":"0.0.19","status":"affected"},{"version":"0.0.20","status":"affected"},{"version":"0.0.21","status":"affected"},{"version":"0.0.22","status":"affected"},{"version":"0.0.23","status":"affected"},{"version":"0.0.24","status":"affected"},{"version":"0.0.25","status":"affected"},{"version":"0.0.26","status":"affected"},{"version":"0.0.27","status":"affected"},{"version":"0.0.28","status":"affected"},{"version":"0.0.29","status":"affected"},{"version":"0.0.30","status":"affected"},{"version":"0.0.31","status":"affected"},{"version":"0.0.32","status":"affected"},{"version":"0.0.33","status":"affected"},{"version":"0.0.34","status":"affected"},{"version":"0.0.35","status":"affected"},{"version":"0.0.36","status":"affected"},{"version":"0.0.37","status":"affected"},{"version":"0.0.38","status":"affected"},{"version":"0.0.39","status":"affected"},{"version":"0.0.40","status":"affected"},{"version":"0.0.41","status":"affected"},{"version":"0.0.42","status":"affected"},{"version":"0.0.43","status":"affected"},{"version":"0.0.44","status":"affected"},{"version":"0.0.45","status":"affected"},{"version":"0.0.46","status":"affected"},{"version":"0.0.47","status":"affected"},{"version":"0.0.48","status":"affected"},{"version":"0.0.49","status":"affected"},{"version":"0.0.50","status":"affected"},{"version":"0.0.51","status":"affected"},{"version":"0.0.52","status":"affected"},{"version":"0.0.53","status":"affected"},{"version":"0.0.54","status":"affected"},{"version":"0.0.55","status":"affected"},{"version":"0.0.56","status":"affected"},{"version":"0.0.57","status":"affected"},{"version":"0.0.58","status":"affected"}],"cpes":["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"],"source":"VulDB","url":"https://www.cve.org/CVERecord?id=CVE-2026-120235"}],"remediation":[],"references":["https://vuldb.com/vuln/429594","https://vuldb.com/vuln/429594/cti","https://vuldb.com/cve/CVE-2026-120235","https://vuldb.com/submit/1015147","https://github.com/ag-ui-protocol/ag-ui/issues/2522","https://github.com/ag-ui-protocol/ag-ui/pull/2627","https://github.com/ag-ui-protocol/ag-ui/commit/9e7b2b00bce215bbf731f1e6094f63812527c432","https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-10-30","https://github.com/ag-ui-protocol/ag-ui/"],"sources":[{"name":"CVE","id":"CVE-2026-120235","modified":"2026-11-02T17:41:44.705Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-120235"}],"assessments":[{"source":"VulDB","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:P","score":5.3},{"source":"VulDB","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","score":4.3},{"source":"VulDB","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","score":4.3},{"source":"VulDB","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C","score":4}],"sourceAffected":[],"observedAt":"2026-11-02T17:57:03.889Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:00:33.317Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-01T16:10:31.087Z","attemptedAt":"2026-11-01T16:10:31.087Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-01T16:10:31.087Z","attemptedAt":"2026-11-01T16:10:31.087Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-01T16:10:31.087Z","attemptedAt":"2026-11-01T16:10:31.087Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-01T16:10:31.087Z","attemptedAt":"2026-11-01T16:10:31.087Z"}],"evidence":[],"aiSummary":{"text":"The ag-ui-protocol ag-ui up to version 0.0.58 has a resource consumption vulnerability in the parseSSEStream function of the SSE Parser component. The attack may be initiated remotely. This leads to resource consumption.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-01T16:06:04.781Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-120235"}]}}