{"id":"BIT-aspnet-core-2025-55315","summary":"ASP.NET Security Feature Bypass Vulnerability","details":"Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.","aliases":["CVE-2025-55315","GHSA-5rrx-jjjq-q2r5"],"modified":"2026-09-08T08:45:54.547447560Z","published":"2025-10-17T20:39:56.125Z","database_specific":{"cpes":["cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*"],"severity":"Critical"},"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55315"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55315"},{"type":"WEB","url":"https://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smuggling-and-cve-2025-55315/"},{"type":"WEB","url":"https://gist.github.com/N3mes1s/d0897c13ca199e739ecc2b562f466040"}],"affected":[{"package":{"name":"aspnet-core","ecosystem":"Bitnami","purl":"pkg:bitnami/aspnet-core"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.3.0"},{"fixed":"2.3.6"},{"introduced":"8.0.0"},{"fixed":"8.0.21"},{"introduced":"9.0.0"},{"fixed":"9.0.10"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/aspnet-core/BIT-aspnet-core-2025-55315.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L"}]}],"schema_version":"1.9.0"}