CVE Catalog

CVE-2026-59678

HighCVSS 7.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

5th percentile - higher than 5% of all known CVEs

Summary

PortProtonQt before commit 0d0f0950 has an incorrect authorization vulnerability that allows any user to mount and unmount arbitrary file systems and modify network configuration via NetworkManager.

Risk Assessment

An unauthorized user can access sensitive data on mounted file systems or disrupt network operations.

Recommendation

Update PortProtonQt to a version containing commit 0d0f0950 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS