Vulnerabilities CVE-2026-59678

CVE-2026-59678

High

Open

TLP:CLEAR

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

NVD CVE.org

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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.

Details

CVSS Score: 7.1
EPSS Score ⓘ: 0.12%

1.9th percentile
CVSS 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
Confidence: 90%
Published: Jul 23, 2026
Last Modified: Jul 23, 2026

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