CVE-2026-109481
HIGHCVSS 7.5/10
Last modified
CVE-2026-109481 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Cross-site request forgery (csrf) in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network..
Description
Cross-site request forgery (csrf) in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 11.0 installed on Linux | >= 11.0.0-preview.1, < 11.0.0 |
| Microsoft | .NET 11.0 installed on Mac OS | >= 11.0.0-preview.1, < 11.0.0 |
| Microsoft | .NET 11.0 installed on Windows | >= 11.0.0-preview.1, < 11.0.0 |
| Microsoft | Microsoft Visual Studio 2026 version 18.12 | >= 18.12.0, < 18.12.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-109481?
Cross-site request forgery (csrf) in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-109481?
CVE-2026-109481 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-109481?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-109472Deserialization of untrusted data in Microsoft Office ShareP…8.8
- CVE-2026-109473Use after free in Windows Kernel allows an authorized attack…7.8
- CVE-2026-109475Stack-based buffer overflow in .NET allows an unauthorized a…7.5
- CVE-2026-109476Improper encoding or escaping of output in ASP.NET Core allo…6.1
- CVE-2026-109478Inefficient algorithmic complexity in ASP.NET Core allows an…7.5
- CVE-2026-10948Use after free in WebRTC in Google Chrome prior to 149.0.782…8.8
- CVE-2026-109485Server-side request forgery (ssrf) in Microsoft 365 Agents S…6.3
- CVE-2026-109487Use after free in Microsoft Office PowerPoint allows an unau…7.5
- CVE-2026-10949Heap buffer overflow in Video in Google Chrome prior to 149.…8.3
- CVE-2026-109491Use after free in Microsoft Office Word allows an unauthoriz…7.5
- CVE-2026-109492Authorization bypass through user-controlled key in Microsof…8.8
- CVE-2026-109493Heap-based buffer overflow in Microsoft Office Access allows…8.8
Are you affected by CVE-2026-109481?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
