CVE-2026-40372

Description

Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.

Affected packages (2)

• Bitnami/aspnet-core>= 10.0.0, < 10.0.7
• NuGet/Microsoft.AspNetCore.DataProtection>= 10.0.0, < 10.0.7

CVSS scores

References (5)

• ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-40372
• PATCHhttps://github.com/dotnet/aspnetcore
• WEBhttps://github.com/dotnet/announcements/issues/395
• WEBhttps://github.com/dotnet/aspnetcore/security/advisories/GHSA-9mv3-2cwr-p262
• WEBhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40372