USN-8740-1

    Dashboard / Vulnerabilities / USN-8740-1

    USN-8740-1

    Published: 10 Sept 2026Last Modified: 10 Sept 2026

    Summary: dotnet8, dotnet10 vulnerabilities

    Details: Weeraphat Srisutham discovered that the .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-58649) Rajesh Chada discovered that the .NET watch AspireServerService improperly exposed information through the use of certain arguments. An attacker could possibly use this issue to elevate privileges and execute arbitrary code. (CVE-2026-69806)

    References: https://ubuntu.com/security/notices/USN-8740-1, https://ubuntu.com/security/CVE-2026-58649, https://ubuntu.com/security/CVE-2026-69806

    Affected packages

    Package

    Name: dotnet8

    Purl: pkg:deb/ubuntu/dotnet8?arch=source&distro=jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.0.131-8.0.31-0ubuntu1~22.04.1

    Affected versions

    8.0.102-8.0.2-0ubuntu1~22.04.1
    8.0.103-8.0.3-0ubuntu1~22.04.1
    8.0.103-8.0.3-0ubuntu1~22.04.2
    8.0.105-8.0.5-0ubuntu1~22.04.1
    8.0.107-8.0.7-0ubuntu1~22.04.1
    8.0.108-8.0.8-0ubuntu1~22.04.1
    8.0.110-8.0.10-0ubuntu1~22.04.1
    8.0.111-8.0.11-0ubuntu1~22.04.1
    8.0.112-8.0.12-0ubuntu1~22.04.1
    8.0.114-8.0.14-0ubuntu1~22.04.1
    8.0.115-8.0.15-0ubuntu1~22.04.1
    8.0.116-8.0.16-0ubuntu1~22.04.1
    8.0.117-8.0.17-0ubuntu1~22.04.1
    8.0.118-8.0.18-0ubuntu1~22.04.1
    8.0.119-8.0.19-0ubuntu1~22.04.1
    8.0.120-8.0.20-0ubuntu1~22.04.1
    8.0.121-8.0.21-0ubuntu1~22.04.1
    8.0.122-8.0.22-0ubuntu1~22.04.1
    8.0.123-8.0.23-0ubuntu1~22.04.1
    8.0.124-8.0.24-0ubuntu1~22.04.1
    8.0.125-8.0.25-0ubuntu1~22.04.1
    8.0.126-8.0.26-0ubuntu1~22.04.1
    8.0.127-8.0.27-0ubuntu1~22.04.1
    8.0.128-8.0.28-0ubuntu1~22.04.1
    8.0.129-8.0.29-0ubuntu1~22.04.1
    8.0.130-8.0.30-0ubuntu1~22.04.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-8740-1 | CVE-DB