{"id":"CVE-2026-69304","details":"Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.","aliases":["BIT-aspnet-core-2026-69304","BIT-dotnet-2026-69304","BIT-dotnet-sdk-2026-69304","GHSA-8cp2-47hg-mfgh"],"modified":"2026-10-02T03:47:35.440222063Z","published":"2026-09-08T18:18:46.347Z","database_specific":{"unresolved_ranges":[{"vendor_product":"microsoft:visual_studio_2022","cpes":["cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"17.14.0"},{"fixed":"17.14.40"}],"source":"CPE_RANGE"},{"cpes":["cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"18.9.0"},{"fixed":"18.9.3"}],"source":"CPE_RANGE","vendor_product":"microsoft:visual_studio_2026"},{"vendor_product":"microsoft:asp.net_core","cpes":["cpe:2.3:a:microsoft:asp.net_core:11.0:rc1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"11.0-rc1"},{"last_affected":"11.0-rc1"}],"source":"CPE_STRING"}]},"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/aspnetcore","events":[{"introduced":"3f1acb59718cadf111a0a796681e3d3509bb3381"},{"fixed":"bb9eccba9080e07bce32c0bc27c3564c753a7cfe"},{"introduced":"af22effae4069a5dfb9b0735859de48820104f5b"},{"fixed":"5edf41b9c09952f18e404ad38e25670991c1b513"},{"introduced":"7387de91234d3ef751fa50b3d1bfede4130213ff"},{"fixed":"d34d7e49dbcc1f8318db7182819f0fe88b9ca7d2"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.0.28"},{"introduced":"9.0.0"},{"fixed":"9.0.17"},{"introduced":"10.0.0"},{"fixed":"10.0.9"}]}}],"versions":["v8.0.27","v10.0.8","v8.0.26","v10.0.7","v10.0.6","v8.0.25","v10.0.5","v10.0.4","v8.0.24","v10.0.3","v8.0.23","v10.0.2","v10.0.1","v8.0.22","v10.0.0","v8.0.21","v8.0.20","v8.0.19","v8.0.18","v8.0.17","v8.0.16","v8.0.15","v8.0.14","v8.0.13","v8.0.12","v8.0.11","v8.0.10","v8.0.8","v8.0.7","v8.0.5","v8.0.4","v8.0.3","v8.0.2","v8.0.1","v8.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-69304.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/core","events":[{"introduced":"d78b3180414d35d6c7d136db753474e2ae2b33df"},{"fixed":"6b7ac250358e700fa8dd8c5573045af06d262802"},{"introduced":"e18becd6171b8eb0eb4ec7ea8a0280cacfcee36b"},{"fixed":"6b7ac250358e700fa8dd8c5573045af06d262802"},{"introduced":"0e06b3b745aaf3f2f96e5f163773d20f8c7f7f50"},{"fixed":"6b7ac250358e700fa8dd8c5573045af06d262802"}],"database_specific":{"extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.0.31"},{"introduced":"9.0.0"},{"fixed":"9.0.20"},{"introduced":"10.0.0"},{"fixed":"10.0.12"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"}}],"versions":["v9.0.19","v8.0.30","v11.0.0-preview.7","v10.0.11","v9.0.18","v8.0.29","v11.0.0-preview.6","v10.0.10","v9.0.17","v11.0.0-preview.5","v10.0.9","v8.0.28","v11.0.0-preview.4","v9.0.16","v8.0.27","v10.0.8","v10.0.7","v11.0.0-preview.3","v10.0.6","v9.0.15","v8.0.26","v10.0.5","v9.0.14","v8.0.25","v11.0.0-preview.2","v10.0.4","v11.0.0-preview.1","v9.0.13","v8.0.24","v10.0.3","v9.0.12","v8.0.23","v10.0.2","v10.0.1","v9.0.11","v8.0.22","v10.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-69304.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}