Link following in Flatpak - #VU125294

 

Link following in Flatpak - #VU125294

Published: April 8, 2026


Vulnerability identifier: #VU125294
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Flatpak
Affected software:
Flatpak

Detailed vulnerability description

The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to improper link resolution in the OCI code paths of the system helper when importing OCI images under user control. A local user can provide a specially crafted OCI image with symlinks to disclose sensitive information.

Only systems with a system OCI repository configured are vulnerable.


Remediation

Install security update from vendor's website.

Sources