VDB
CVE-2026-114156
CVE-2026-114156
PUBLISHED
CVSS 6.5 MEDIUM
ASP.NET Core Security Feature Bypass Vulnerability
Reported by microsoft · Published November 10, 2026
Improper input validation in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.
Risk scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 11.0 installed on Linux | 11.0.0-preview.1 |
| Microsoft | .NET 11.0 installed on Mac OS | 11.0.0-preview.1 |
| Microsoft | .NET 11.0 installed on Windows | 11.0.0-preview.1 |
| Microsoft | Microsoft Visual Studio 2026 version 18.12 | 18.12.0 |
| microsoft | microsoft_visual_studio_2026_version_18.12 | 18.12.0 |
| Microsoft | Microsoft Visual Studio 2026 version 18.12 | 18.12.0 |
| Microsoft | .NET 11.0 installed on Windows | 11.0.0-preview.1 |
| Microsoft | .NET 11.0 installed on Mac OS | 11.0.0-preview.1 |
| microsoft | .net_11.0_installed_on_linux | 11.0.0-preview.1 |
| microsoft | .net_11.0_installed_on_windows | 11.0.0-preview.1 |
| Microsoft | .NET 11.0 installed on Linux | 11.0.0-preview.1 |
| microsoft | .net_11.0_installed_on_mac_os | 11.0.0-preview.1 |
Timeline
- Nov 10, 2026 CVE Published
- Nov 11, 2026 EPSS Score
- Nov 11, 2026 Coalition ESS Score
- Nov 11, 2026 CVE Updated
- Nov 12, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-114156
vulnetix vdb fixes CVE-2026-114156Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-114156/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- ASP.NET Core Security Feature Bypass Vulnerability vendor-advisorypatch