{"id":"UBUNTU-CVE-2026-123974","details":"In all versions of PyTorch's TorchServe, a predictable extraction directory in /tmp lets a local user swap the model handler and run code as the TorchServe service account leading to local privilege escalation.","modified":"2026-11-10T02:50:22.264066776Z","published":"2026-11-09T00:00:00Z","upstream":["CVE-2026-123974"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-123974"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-123974"},{"type":"REPORT","url":"https://christbowel.com/blog/torchserve-lpe/"},{"type":"REPORT","url":"https://github.com/Christbowel/torchserve-lpe"}],"affected":[{"package":{"name":"pytorch","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.1-7","1.8.1-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.1-4","binary_name":"libtorch-test"},{"binary_name":"libtorch1.8","binary_version":"1.8.1-4"},{"binary_name":"python3-torch","binary_version":"1.8.1-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123974.json"}},{"package":{"name":"pytorch","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.1+dfsg-1~exp1ubuntu2","2.12.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtorch-test","binary_version":"2.12.1+dfsg-1"},{"binary_name":"libtorch2.12","binary_version":"2.12.1+dfsg-1"},{"binary_version":"2.12.1+dfsg-1","binary_name":"python3-torch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123974.json"}},{"package":{"name":"pytorch","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-7","2.6.0+dfsg-9","2.9.1+dfsg-1~exp1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.1+dfsg-1~exp1ubuntu2","binary_name":"libtorch-test"},{"binary_version":"2.9.1+dfsg-1~exp1ubuntu2","binary_name":"libtorch2.9"},{"binary_name":"python3-torch","binary_version":"2.9.1+dfsg-1~exp1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123974.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}