{"id":"USN-8892-1","summary":"wsl-pro-service vulnerability","details":"Darshan U discovered that Ubuntu Pro for WSL exposed the attach token in\ncommand-line arguments when enabling a subscription on a WSL instance.\nAn attacker could possibly use this issue to obtain sensitive information\nand gain unauthorized access to Ubuntu Pro repositories.","modified":"2026-10-07T04:42:39.498149591Z","published":"2026-10-06T20:11:42Z","related":["UBUNTU-CVE-2026-102371"],"upstream":["CVE-2026-102371","UBUNTU-CVE-2026-102371"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8892-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-102371"}],"affected":[{"package":{"name":"wsl-pro-service","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.18~20.04.2+esm1"}]}],"versions":["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":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"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"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-102371"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"}},{"package":{"name":"wsl-pro-service","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.18~22.04.3"}]}],"versions":["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":[{"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"}],"id":"CVE-2026-102371"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"}},{"package":{"name":"wsl-pro-service","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.18~24.04.4"}]}],"versions":["0.1","0.1.1","0.1.2","0.1.2build1","0.1.4","0.1.18~24.04.3"],"ecosystem_specific":{"binaries":[{"binary_version":"0.1.18~24.04.4","binary_name":"wsl-pro-service"}],"availability":"No subscription required"},"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"}}},{"package":{"name":"wsl-pro-service","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/wsl-pro-service?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.19ubuntu2.1"}]}],"versions":["0.1.18","0.1.18build1","0.1.19ubuntu1","0.1.19ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.1.19ubuntu2.1","binary_name":"wsl-pro-service"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","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"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8892-1.json"}}],"schema_version":"1.9.0"}