CVE-2026-82636 — Qubes OS / Qubes OS

CVE-2026-82636

Qubes OS / Qubes OS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Qubes OS / Qubes OS	affected 0 before qubes-core-dom0-linux 4.3.22

CWE

CWE-78

References

https://www.qubes-os.org/news/2026/08/29/qsb-118/
https://news.ycombinator.com/item?id=49496918

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.