{"id":"CVE-2026-92359","title":"A security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0","summary":"A security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0. The affected element is the function create_strands_app of the file integrations/aws-strands/python/src/ag_ui_strands/utils.py of the component CORSMiddleware. The manipu…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","cwe":["CWE-346","CWE-942"],"vendor":"ag-ui-protocol","product":"ag-ui","affected":["ag-ui 0.3.0"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T17:53:40.500","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92359","references":[{"url":"https://github.com/ag-ui-protocol/ag-ui/","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/commit/9b143b9668fa52c2054ede9d34a45ac4b4401089","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/issues/2433","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/pull/2492","label":"cna@vuldb.com"},{"url":"https://github.com/ag-ui-protocol/ag-ui/releases/tag/AGUI.Abstractions%400.0.6","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-92359","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/934120","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/405445","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/405445/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-16T13:15:05.598960Z"},"ingestedAt":"2026-09-16T12:55:21.876Z","epss":0.00228,"epssPercentile":0.13834,"slug":"CVE-2026-92359","body":"## Overview\n\nA security flaw has been discovered in ag-ui-protocol ag-ui 0.3.0. The affected element is the function create_strands_app of the file integrations/aws-strands/python/src/ag_ui_strands/utils.py of the component CORSMiddleware. The manipulation results in permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. Upgrading to version AGUI.Abstractions@0.0.6 is sufficient to fix this issue. The patch is identified as 9b143b9668fa52c2054ede9d34a45ac4b4401089. 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":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}