Link following in Flatpak - #VU125294
Published: April 8, 2026
Vulnerability identifier: #VU125294
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: N/A
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Flatpak
Remediation
Install security update from vendor's website.
Flatpak - update to 1.16.4