USN-8892-1

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Source
https://ubuntu.com/security/notices/USN-8892-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8892-1
Upstream
Related
Published
2026-10-06T20:11:42Z
Modified
2026-10-07T04:42:39Z
Summary
wsl-pro-service vulnerability
Details

Darshan U discovered that Ubuntu Pro for WSL exposed the attach token in command-line arguments when enabling a subscription on a WSL instance. An attacker could possibly use this issue to obtain sensitive information and gain unauthorized access to Ubuntu Pro repositories.

References

Affected packages

Ubuntu:Pro:20.04:LTS / wsl-pro-service

Package

Name
wsl-pro-service
Purl
pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.1.18~20.04.2+esm1

Affected versions

0.*
0.1.18~20.04.2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "wsl-pro-service",
            "binary_version": "0.1.18~20.04.2+esm1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-102371",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"

Ubuntu:22.04:LTS / wsl-pro-service

Package

Name
wsl-pro-service
Purl
pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.1.18~22.04.3

Affected versions

0.*
0.1.18~22.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "wsl-pro-service",
            "binary_version": "0.1.18~22.04.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-102371",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"

Ubuntu:24.04:LTS / wsl-pro-service

Package

Name
wsl-pro-service
Purl
pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.1.18~24.04.4

Affected versions

0.*
0.1
0.1.1
0.1.2
0.1.2build1
0.1.4
0.1.18~24.04.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "wsl-pro-service",
            "binary_version": "0.1.18~24.04.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-102371",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"

Ubuntu:26.04:LTS / wsl-pro-service

Package

Name
wsl-pro-service
Purl
pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.1.19ubuntu2.1

Affected versions

0.*
0.1.18
0.1.18build1
0.1.19ubuntu1
0.1.19ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "wsl-pro-service",
            "binary_version": "0.1.19ubuntu2.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-102371",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"