{"id":"CVE-2026-82636","aliases":["EUVD-2026-68212","GHSA-ppf9-cgjm-478m"],"status":"published","title":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm...","description":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c.","severity":{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01922,"percentile":0.80194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-08-30T13:05:46Z","modified":"2026-09-08T19:42:20Z","products":[{"vendor":"qubes os","product":"qubes os"}],"references":[{"url":"https://www.qubes-os.org/news/2026/08/29/qsb-118/"},{"url":"https://news.ycombinator.com/item?id=49496918"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82636"},{"url":"https://www.qubes-os.org/news/2026/08/29/qsb-118"},{"url":"https://github.com/advisories/GHSA-ppf9-cgjm-478m"}],"sources":{"cve":[{"id":"CVE-2026-82636","description":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c.","status":"published","published":"2026-08-30T13:05:46.409Z","modified":"2026-08-31T16:47:43.793Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-68212","description":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c.","status":"published","published":"2026-08-30T13:05:46Z","modified":"2026-08-31T16:47:43Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:20.704822Z"}],"ghsa":[{"id":"GHSA-ppf9-cgjm-478m","title":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm...","description":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c.","status":"published","published":"2026-08-30T15:30:26Z","modified":"2026-08-30T15:30:27Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:10.168906Z"}],"nvd":[{"id":"CVE-2026-82636","description":"Qubes OS before qubes-core-dom0-linux 4.3.22 allows OS command injection during a qvm-copy-to-vm call from dom0 to an attacker-controlled qube, because the \"system\" library function is used to process an error message that may have shell metacharacters. This occurs in core-admin-linux/file-copy-vm/qfile-dom0-agent.c.","status":"published","published":"2026-08-30T14:17:03.31Z","modified":"2026-09-08T19:42:20.313Z","cvss":[{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:42.691315Z"}]}}