CVE-2026-70188

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.

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Produits concernés

• Microsoft ASP.NET Core 10.0
• Microsoft ASP.NET Core 11.0
• Microsoft ASP.NET Core 8.0
• Microsoft ASP.NET Core 9.0
• Microsoft Visual Studio 2022 version 17.14
• Microsoft Visual Studio 2026 version 18.10

Scores CVSS

Faiblesses (CWE)

• CWE-444

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70188

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories