9.1
Critical
CVE-2026-70188 Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an…
Description
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| ASP.NET Core 10.0 10.0 | 10.0 → < 10.0.13 | 10.0.13 |
| ASP.NET Core 11.0 11.0 | 11.0 → < 11.0.0-rc.2 | 11.0.0-rc.2 |
| ASP.NET Core 8.0 8.0 | 8.0 → < 8.0.32 | 8.0.32 |
| ASP.NET Core 9.0 9.0 | 9.0 → < 9.0.21 | 9.0.21 |
| Microsoft Visual Studio 2022 version 17.14 17.14 | 17.14.0 → < 17.14.42 | 17.14.42 |
| Microsoft Visual Studio 2026 version 18.10 18.10 | 18.10.0 → < 18.10.4 | 18.10.4 |
References
- ASP.NET Core Security Feature Bypass Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of ASP.NET Core 10.0
The 12 CVEs of ASP.NET Core 10.0 →
CVE-2026-88092
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an…
9.4
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CVE-2026-96236
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service…
7.5
High
CVE-2026-70175
Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network
8.1
High
CVE-2026-70196
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network
5.9
Medium