{"id":"EM-20261110-VZPY","url":"https://cyber.eventmonitor.net/incident/EM-20261110-VZPY/asp-net-core-vulnerability-cve-2026-114156/","type":"cve","title":"ASP.NET Core Vulnerability (CVE-2026-114156)","subtitle":"CVE-2026-114156","subject":"CVE-2026-114156","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-10T21:32:51.000Z","firstSignal":"2026-11-10T17:00:00.000Z","lastSignal":"2026-11-11T00:24:05.000Z","updated":"2026-11-11T00:41:04.905Z","revision":1,"life":[{"status":"Born","at":"2026-11-10T21:32:51.000Z","why":"second independent source: C26 GitHub Advisory Database"},{"status":"Developing","at":"2026-11-10T21:32:51.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-10T17:00:00.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-10T21:32:51.000Z","what":"Born: second source, C26 GitHub Advisory Database. Page EM-20261110-VZPY created."}],"stages":[{"name":"Disclosed","at":"2026-11-10T19:19:08.937Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-10T19:19:08.937Z","detail":"CVSS 6.5"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-10T17:00:00.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-10T17:00:00.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-114156 (important)","text":"dotnet11.0: ASP.NET Core Security Feature Bypass Vulnerability","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-114156.json"},{"at":"2026-11-10T21:32:51.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":2,"title":"GHSA-c827-j3xf-67v6: Duplicate Advisory: Microsoft Security Advisory CVE-2026-114156 - ASP.NET Core Security Feature Bypass Vulnerability","text":"nuget:Microsoft.AspNetCore.App.Runtime.linux-arm","url":"https://github.com/advisories/GHSA-c827-j3xf-67v6"},{"at":"2026-11-11T00:24:05.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":2,"title":"GHSA-8w29-6cjc-h6w4 / CVE-2026-114156: Microsoft Security Advisory CVE-2026-114156 - ASP.NET Core Security Feature Bypass Vulnerability","text":"nuget:Microsoft.AspNetCore.App.Runtime.linux-arm, nuget:Microsoft.AspNetCore.App.Runtime.linux-arm64, nuget:Microsoft.AspNetCore.App.Runtime.linux-musl-arm, nuget:Microsoft.AspNetCore.App.Runtime.linux-musl-arm64, nuget:Microsoft.AspNetCore.App.Runtime.linux-musl-x64, nuget:Microsoft.AspNetCore.App.Runtime.linux-x64, nuget:Microsoft.AspNetCore.App.Runtime.osx-arm64, nuget:Microsoft.AspNetCore.App.Runtime.osx-x64, nuget:Microsoft.AspNetCore.App.Runtime.win-arm64, nuget:Microsoft.AspNetCore.App.Runtime.win-x64, nuget:Microsoft.AspNetCore.App.Runtime.win-x86","url":"https://github.com/advisories/GHSA-8w29-6cjc-h6w4"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-10T19:19:08.937","score":6.5,"severity":"MEDIUM","desc":"Improper input validation in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.","product":"","seen":1794349485599},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}