CVE-2026-82636EPSS p79.2%

CVE-2026-82636CVE-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.

Scoring

CVSS 7.9 ()
VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS1.92% probability of exploitation · percentile 79.2% · 2026-10-05T12:00:23Z
Last modified2026-09-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.