Microsoft Security Advisory CVE-2026-70188 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Kestrel accepts newli...

GHSA-FPQ8-4VHR-RCXX Microsoft Security Advisory CVE-2026-70188 - ASP.NET Core Security Feature Bypass Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Kestrel accepts newli...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processi...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-musl-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processi...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing when newline characters in request trailers and values from the dynamic HPACK table are accepted instead of being treated as malformed. An attacker can bypass security controls and...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.osx-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.win-arm is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.win-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processi...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.win-x64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.win-x86 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request processing...

HTTP Request Smuggling

Overview Microsoft.AspNetCore.App.Runtime.linux-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments. Affected versions of this package are vulnerable to HTTP Request Smuggling in the HTTP/2 request...

Amazon Linux 2023 : nginx, nginx-all-modules, nginx-core (ALAS2023-2026-2130)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2130 advisory. An HTTP/2 denial of service vulnerability was found in nginx. Prior to the fix, there was no limit on the number of request headers a client could send. An attacker could seed the HPACK dynamic table...

EulerOS 2.0 SP12 : haproxy (EulerOS-SA-2026-3342)

According to the versions of the haproxy packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allows buff...

EulerOS 2.0 SP12 : haproxy (EulerOS-SA-2026-3267)

According to the versions of the haproxy packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allows buff...

CVE-2026-65100

Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection. This issue affects Apache Traffic Server: from...

CVE-2026-65100

Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection. This issue affects Apache Traffic Server: from...

MGASA-2026-0250 Updated haproxy packages fix security vulnerability

HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and paddingLength is 1 or more, the drl field wraps to 0, causing incorrect record...