{"id":"CVE-2026-15060","aliases":["DEBIAN-CVE-2026-15060","EUVD-2026-55627","UBUNTU-CVE-2026-15060"],"status":"published","title":"systemd-machined: unprivileged users can terminate arbitrary processes","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones.\n\n- versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file\n- versions older than v258 are not affected\n- unrelated to the systemd service manager (pid 1 or user session managers)\n- systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container)\n- terminal-only or remote sessions (e.g.: ssh) are not affected","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00079,"percentile":0.0013,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284","CWE-862"],"published":"2026-08-10T00:00:00Z","modified":"2026-10-24T09:47:28Z","fixes":[{"ecosystem":"Debian:14","package":"systemd","fixed_in":["261.2-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"systemd","fixed_in":["259.5-0ubuntu3.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"systemd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"261.2-1"}]}],"versions":["257.13-1~deb13u1","257.7-1","257.8-1~deb13u1","257.8-1~deb13u2","257.9-1~deb13u1","258-1","258.1-1","258.1-2","258~rc1-1","258~rc2-1","258~rc2-2","258~rc3-1","258~rc4-1","259-1","259.1-1","259~rc1-1","259~rc2-1","259~rc3-1","260-1","260.1-1","260~rc1-1","260~rc1-2","260~rc2-1","260~rc3-1","260~rc4-1","261-1","261-2","261.1-1","261.1-2","261.1-3","261~rc1-1","261~rc2-1","261~rc3-1","261~rc4-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"systemd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"259.5-0ubuntu3.4"}]}],"versions":["257.9-0ubuntu2","259-1ubuntu2","259-1ubuntu3","259.3-0ubuntu1","259.5-0ubuntu1","259.5-0ubuntu2","259.5-0ubuntu3","259.5-0ubuntu3.3"]}],"products":[{"vendor":"systemd","product":"systemd-machined"}],"references":[{"url":"https://github.com/systemd/systemd/security/advisories/GHSA-qwv4-3gwc-w5g8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-15060","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-15060","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15060","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8626-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-15060","title":"systemd-machined: unprivileged users can terminate arbitrary processes","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones.\n\n- versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file\n- versions older than v258 are not affected\n- unrelated to the systemd service manager (pid 1 or user session managers)\n- systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container)\n- terminal-only or remote sessions (e.g.: ssh) are not affected","status":"published","published":"2026-08-10T13:03:06.869Z","modified":"2026-08-10T17:57:14.676Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-284","CWE-862"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-55627","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones.\n\n- versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file\n- versions older than v258 are not affected\n- unrelated to the systemd service manager (pid 1 or user session managers)\n- systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container)\n- terminal-only or remote sessions (e.g.: ssh) are not affected","status":"published","published":"2026-08-10T13:03:06Z","modified":"2026-08-10T17:57:14Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:02:01.104981Z"}],"nvd":[{"id":"CVE-2026-15060","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones.\n\n- versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file\n- versions older than v258 are not affected\n- unrelated to the systemd service manager (pid 1 or user session managers)\n- systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container)\n- terminal-only or remote sessions (e.g.: ssh) are not affected","status":"published","published":"2026-08-10T14:17:21.13Z","modified":"2026-10-23T20:10:00.16Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-284","CWE-862"],"updated_at":"2026-11-02T14:12:36.102748Z"}],"osv":[{"id":"DEBIAN-CVE-2026-15060","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones.  - versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file - versions older than v258 are not affected - unrelated to the systemd service manager (pid 1 or user session managers) - systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container) - terminal-only or remote sessions (e.g.: ssh) are not affected","status":"published","published":"2026-08-10T14:17:21.13Z","modified":"2026-10-24T09:47:28.717671335Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:51.8748Z"},{"id":"UBUNTU-CVE-2026-15060","description":"When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file - versions older than v258 are not affected - unrelated to the systemd service manager (pid 1 or user session managers) - systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container) - terminal-only or remote sessions (e.g.: ssh) are not affected","status":"published","published":"2026-08-10T00:00:00Z","modified":"2026-08-13T03:01:07.326723578Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:00.592716Z"}]}}