{"id":"EM-20261110-W0F3","url":"https://cyber.eventmonitor.net/incident/EM-20261110-W0F3/asp-net-core-vulnerability-cve-2026-109481/","type":"cve","title":"ASP.NET Core Vulnerability (CVE-2026-109481)","subtitle":"CVE-2026-109481","subject":"CVE-2026-109481","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-10T19:18:17.267Z","firstSignal":"2026-11-10T17:00:00.000Z","lastSignal":"2026-11-10T23:33:36.000Z","updated":"2026-11-11T00:41:04.905Z","revision":1,"life":[{"status":"Born","at":"2026-11-10T19:18:17.267Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-10T19:18:17.267Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-10T17:00:00.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-10T19:18:17.267Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261110-W0F3 created."},{"at":"2026-11-10T23:33:36.000Z","what":"Source joined: C26 GitHub Advisory Database"}],"stages":[{"name":"Disclosed","at":"2026-11-10T19:18:17.267Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-10T19:18:17.267Z","detail":"CVSS 7.5"},{"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-2026-109481 (important)","text":"dotnet11.0: ASP.NET Core Elevation of Privilege Vulnerability","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-109481.json"},{"at":"2026-11-10T19:18:17.267Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-109481 (CVSS 7.5)","text":"Cross-site request forgery (csrf) in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109481"},{"at":"2026-11-10T23:33:36.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":2,"title":"GHSA-xw2x-23jm-j582 / CVE-2026-109481: Microsoft Security Advisory CVE-2026-109481 - ASP.NET Core Elevation of Privilege 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-xw2x-23jm-j582"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-10T19:18:17.267","score":7.5,"severity":"HIGH","desc":"Cross-site request forgery (csrf) in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.","product":"","seen":1794353084878},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}