https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-10-15T05:06:55.067124+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/certfr-2026-avi-1313 certfr-2026-avi-1313 — De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Certaines d'entre elles permettent à un attaquant… 2026-10-15T05:06:55.095091+00:00 certfr-2026-avi-1313 https://db.gcve.eu/vuln/fkie_cve-2026-66822 fkie_cve-2026-66822 2026-10-15T05:06:55.095161+00:00

Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.

 https://db.gcve.eu/vuln/ghsa-wxxw-5cvc-53j7 GHSA-wxxw-5cvc-53j7 — Microsoft Security Advisory CVE-2026-66822 - .NET and Visual Studio Information Disclosure Vulnerability 2026-10-15T05:06:55.095198+00:00

Affected: NuGet: Microsoft.NETCore.App.Runtime.linux-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-x64, NuGet: Microsoft.NETCore.App.Runtime.linux-x64, NuGet: Microsoft.NETCore.App.Runtime.osx-arm64, NuGet: Microsoft.NETCore.App.Runtime.osx-x64, NuGet: Microsoft.NETCore.App.Runtime.win-arm64, NuGet: Microsoft.NETCore.App.Runtime.win-x64 and 1 more

## Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Http. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

SocketsHttpHandler can retain a `Proxy-Authorization` header across an HTTP redirect and leak basic proxy credentials to the destination server.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/448

## CVSS Details

- **Version:** 3.1 - **Severity:** Moderate - **Score:** 5.9 - **Vector:** `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N` - **Weakness:** CWE-201 (Insertion of Sensitive Information Into Sent Data)

## Affected Platforms

- **Platforms:** Windows, Linux, macOS - **Architectures:** All

## <a name="affected-packages"></a>Affected Packages

The vulnerability affects Microsoft .NET projects that use an affected package version listed below.

Package name | Affected version | Patched version ------------ | ---------------- | --------------- [Microsoft.NETCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm) | >= 9.0.0, <= 9.0.20 | 9.0.21 [Microsoft.NETCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm64) | >= 9.0.0, <= 9.0.20 | 9.0.21 [Microsoft.NETCore.App.Runtime.linux-musl-arm](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-musl-arm) | >= 9…

 https://db.gcve.eu/vuln/ncsc-2026-0426 NCSC-2026-0426 — Kwetsbaarheden verholpen in Microsoft Developer Tools 2026-10-15T05:06:55.095316+00:00 NCSC-2026-0426