{"action":"Upgrade Microsoft.AspNetCore.App.Runtime.linux-x64 to 8.0.28 (8.x), 9.0.17 (9.x) or 10.0.9 (10.x) or later.","affected":[{"fixed":"8.0.28","introduced":"8.0.0"},{"fixed":"9.0.17","introduced":"9.0.0"},{"fixed":"10.0.9","introduced":"10.0.0"}],"component":"Microsoft.AspNetCore.App.Runtime.linux-x64","cve_ids":["CVE-2026-45591"],"ecosystem":"NuGet","epss":0.02481,"exploited":false,"fixed_versions":["8.0.28","9.0.17","10.0.9"],"ghsa_id":"GHSA-f8h2-vmm9-qhj6","id":"tcs_01M5N8M4E90FAQHAR29NW60W0H","modified_at":"2026-09-10T03:50:53.053547130Z","published_at":"2026-06-15T20:11:56Z","references":["https://osv.dev/vulnerability/GHSA-f8h2-vmm9-qhj6","https://github.com/dotnet/aspnetcore/security/advisories/GHSA-f8h2-vmm9-qhj6","https://nvd.nist.gov/vuln/detail/CVE-2026-45591","https://github.com/dotnet/announcements/issues/405","https://github.com/dotnet/aspnetcore","https://github.com/dotnet/aspnetcore/discussions/67100","https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-f8h2-vmm9-qhj6","url":"https://osv.dev/vulnerability/GHSA-f8h2-vmm9-qhj6"}],"summary":"Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability"}