UnratedFix available
wsl-pro-service vulnerability
Type: advisorySources: OSV
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.
- Products
- wsl-pro-service
- Affected versions
- 0.1, 0.1.1, 0.1.18, 0.1.18build1, 0.1.18~20.04.2, 0.1.18~22.04.2, 0.1.18~24.04.3, 0.1.19ubuntu1, 0.1.19ubuntu2, 0.1.2, 0.1.2build1, 0.1.4
- Fixed versions
- 0.1.18~20.04.2+esm1, 0.1.18~22.04.3, 0.1.18~24.04.4, 0.1.19ubuntu2.1
- CVEs
- CVE-2026-102371
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 02:54 UTC · Revision 1
Source evidence
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.
osv:USN-8892-1
wsl-pro-service
Fixed versions: 0.1.18~20.04.2+esm1
wsl-pro-service
Fixed versions: 0.1.18~22.04.3
wsl-pro-service
Fixed versions: 0.1.18~24.04.4
wsl-pro-service
Fixed versions: 0.1.19ubuntu2.1
Complete source record
{
"id": "904b6b9d0a1f2eafaa7afad08429e0364e95b8f15837f9b5155721bdad4b2770",
"url": "https://osv.dev/vulnerability/USN-8892-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "wsl-pro-service vulnerability",
"summary": "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.",
"evidence": "osv:USN-8892-1",
"products": [
{
"name": {
"value": "wsl-pro-service",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.1.18~20.04.2+esm1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "0.1.18~20.04.2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "wsl-pro-service",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.1.18~22.04.3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "0.1.18~22.04.2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "wsl-pro-service",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.1.18~24.04.4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.1",
"evidence": "/affected/2/versions"
},
{
"value": "0.1.1",
"evidence": "/affected/2/versions"
},
{
"value": "0.1.2",
"evidence": "/affected/2/versions"
},
{
"value": "0.1.2build1",
"evidence": "/affected/2/versions"
},
{
"value": "0.1.4",
"evidence": "/affected/2/versions"
},
{
"value": "0.1.18~24.04.3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "wsl-pro-service",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.1.19ubuntu2.1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": [
{
"value": "0.1.18",
"evidence": "/affected/3/versions"
},
{
"value": "0.1.18build1",
"evidence": "/affected/3/versions"
},
{
"value": "0.1.19ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "0.1.19ubuntu2",
"evidence": "/affected/3/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "USN-8892-1",
"aliases": [
"USN-8892-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.1.18~20.04.2+esm1"
}
]
}
],
"package": {
"name": "wsl-pro-service",
"purl": "pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"0.1.18~20.04.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-102371",
"severity": [
{
"type": "CVSS_V4",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wsl-pro-service",
"binary_version": "0.1.18~20.04.2+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.1.18~22.04.3"
}
]
}
],
"package": {
"name": "wsl-pro-service",
"purl": "pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.1.18~22.04.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json",
"cves_map": {
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{
"id": "CVE-2026-102371",
"severity": [
{
"type": "CVSS_V4",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wsl-pro-service",
"binary_version": "0.1.18~22.04.3"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.1.18~24.04.4"
}
]
}
],
"package": {
"name": "wsl-pro-service",
"purl": "pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"0.1",
"0.1.1",
"0.1.2",
"0.1.2build1",
"0.1.4",
"0.1.18~24.04.3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-102371",
"severity": [
{
"type": "CVSS_V4",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wsl-pro-service",
"binary_version": "0.1.18~24.04.4"
}
],
"availability": "No subscription required"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.1.19ubuntu2.1"
}
]
}
],
"package": {
"name": "wsl-pro-service",
"purl": "pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"0.1.18",
"0.1.18build1",
"0.1.19ubuntu1",
"0.1.19ubuntu2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json",
"cves_map": {
"cves": [
{
"id": "CVE-2026-102371",
"severity": [
{
"type": "CVSS_V4",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wsl-pro-service",
"binary_version": "0.1.19ubuntu2.1"
}
],
"availability": "No subscription required"
}
}
],
"modified": "2026-10-07T04:42:39.498149591Z",
"provider": "osv",
"upstream": [
"CVE-2026-102371",
"UBUNTU-CVE-2026-102371"
],
"references": [
"https://ubuntu.com/security/notices/USN-8892-1",
"https://ubuntu.com/security/CVE-2026-102371"
]
},
"related_cves": [
{
"value": "CVE-2026-102371",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 93143,
"published_at": "2026-10-06T20:11:42+00:00"
}