CVE-2026-82636

Published: Ago 30, 2026 Last Modified: Ago 30, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,9
Source: [email protected]
Attack Vector: adjacent_network
Attack Complexity: high
Privileges Required: none
User Interaction: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Non-Repudiation
Potential Impacts:
Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Read Files Or Directories Modify Files Or Directories Read Application Data Modify Application Data Hide Activities
Applicable Platforms
Technologies: Not Technology-Specific, AI/ML, Web Server
Likelihood of Exploit: High
View CWE Details
https://news.ycombinator.com/item?id=49496918
https://news.ycombinator.com/item?id=49496918
https://www.qubes-os.org/news/2026/08/29/qsb-118/
https://www.qubes-os.org/news/2026/08/29/qsb-118/