{"id":"CVE-2026-90894","aliases":["EUVD-2026-77346","GHSA-xf5f-rxc7-27mg"],"status":"published","title":"Parallels Desktop local privilege escalation via appliance extract argument injection","description":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf \"%1\" -C \"%2\", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00168,"percentile":0.06128,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-78","CWE-88"],"published":"2026-09-14T09:52:43Z","modified":"2026-09-18T19:31:11Z","products":[{"vendor":"parallels","product":"parallels desktop for mac"}],"references":[{"url":"https://www.parallels.com/products/desktop/","tags":["product"]},{"url":"https://kb.parallels.com/en/131168","tags":["release-notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90894"},{"url":"https://www.parallels.com/products/desktop"},{"url":"https://github.com/advisories/GHSA-xf5f-rxc7-27mg"}],"sources":{"cve":[{"id":"CVE-2026-90894","title":"Parallels Desktop local privilege escalation via appliance extract argument injection","description":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf \"%1\" -C \"%2\", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.","status":"published","published":"2026-09-14T09:52:43.57Z","modified":"2026-09-15T08:49:26.122Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-88","CWE-78","CWE-269"],"updated_at":"2026-11-02T13:45:47.885058Z"}],"euvd":[{"id":"EUVD-2026-77346","description":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf \"%1\" -C \"%2\", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.","status":"published","published":"2026-09-14T09:52:43Z","modified":"2026-09-15T08:49:26Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:19.01786Z"}],"ghsa":[{"id":"GHSA-xf5f-rxc7-27mg","title":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable...","description":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf \"%1\" -C \"%2\", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.","status":"published","published":"2026-09-14T12:31:37Z","modified":"2026-09-14T12:31:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:49.397809Z"}],"nvd":[{"id":"CVE-2026-90894","description":"Parallels Desktop runs prl_disp_service as root. Local clients reach it on the world-writable socket /var/run/prl_disp_service.socket. PrlSrv_LoginLocal accepts peer credentials. No Parallels signature. No admin group.\n\n\n\nAfter login, PrlSrv_InstallAppliance lets you pick the appliance folder (sVmParentPath). The daemon unpacks with one string, tar -xf \"%1\" -C \"%2\", then Qt QProcess::splitCommand chops that string into words. A quote in the folder name closes early. The leftover text becomes extra tar flags. macOS tar --use-compress-program= runs the named program as root.","status":"published","published":"2026-09-14T10:17:06.133Z","modified":"2026-09-18T19:31:11.37Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78","CWE-88","CWE-269"],"updated_at":"2026-11-02T14:12:46.980627Z"}]}}