CVE-2026-59678

portprotonqt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager

Published Jul 23, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager.






This issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Linux-gaming
Linux-gaming portprotonqt
Vendors & Products Linux-gaming
Linux-gaming portprotonqt
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager. This issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe.
Title portprotonqt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Jul 23, 2026, 2:01 PM
Reserved
Jul 6, 2026, 11:59 AM
Status
Deferred
Published
Jul 23, 2026, 8:16 AM
Modified
Oct 24, 2026, 1:10 PM