UBUNTU-CVE-2026-26131

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Source

https://ubuntu.com/security/CVE-2026-26131

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26131.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-26131

Upstream

CVE-2026-26131

Published

2026-03-10T00:00:00Z

Modified

2026-03-14T09:20:37.483415Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.

References

Affected packages

Ubuntu:22.04:LTS / dotnet7

Package

Name: dotnet7
Purl: pkg:deb/ubuntu/dotnet7@7.0.119-0ubuntu1~22.04.1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

7.*

7.0.105-0ubuntu1~22.04.1

7.0.107-0ubuntu1~22.04.1

7.0.108-0ubuntu1~22.04.1

7.0.109-0ubuntu1~22.04.1

7.0.110-0ubuntu1~22.04.1

7.0.111-0ubuntu1~22.04.1

7.0.112-0ubuntu1~22.04.1

7.0.113-0ubuntu1~22.04.1

7.0.114-0ubuntu1~22.04.1

7.0.115-0ubuntu1~22.04.1

7.0.116-0ubuntu1~22.04.1

7.0.117-0ubuntu1~22.04.1

7.0.117-0ubuntu1~22.04.2

7.0.119-0ubuntu1~22.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "aspnetcore-runtime-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "aspnetcore-targeting-pack-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-apphost-pack-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-host-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-hostfxr-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-runtime-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-sdk-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-sdk-7.0-source-built-artifacts"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-targeting-pack-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet-templates-7.0"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "dotnet7"
        },
        {
            "binary_version": "7.0.119-0ubuntu1~22.04.1",
            "binary_name": "netstandard-targeting-pack-2.1-7.0"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26131.json"