{"id":"CVE-2026-70188","revision":"0f0f030ecb4e406baaeccc23ccecf737","records":[{"revision":"0f0f030ecb4e406baaeccc23ccecf737","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-70188","aliases":[],"title":"ASP.NET Core Security Feature Bypass Vulnerability","description":"Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.","state":0,"publishedAt":"2026-10-13T19:00:26.806+00:00","modifiedAt":"2026-10-22T22:19:52.695+00:00","affected":[{"ecosystem":"Vendor product","name":"ASP.NET Core 10.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 10.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0\",\n                            \"lessThan\": \"10.0.13\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 11.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 11.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"11.0\",\n                            \"lessThan\": \"11.0.0-rc.2\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 8.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 8.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0\",\n                            \"lessThan\": \"8.0.32\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 9.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 9.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"9.0\",\n                            \"lessThan\": \"9.0.21\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.14","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.14\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.14.0\",\n                            \"lessThan\": \"17.14.42\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2026 version 18.10","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2026 version 18.10\",\n                    \"versions\": [\n                        {\n                            \"version\": \"18.10.0\",\n                            \"lessThan\": \"18.10.4\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","score":9.1,"severity":"CRITICAL"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70188"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-70188","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-70188","identifiers":["CVE-2026-70188"]},"retained":false,"historicalAffected":[]}],"coverage":[]}