#VU125293 Improper access control in Flatpak
Published: April 8, 2026
Vulnerability identifier: #VU125293
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Flatpak
Flatpak
Software vendor:
Flatpak
Flatpak
Description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper access control in org.freedesktop.Flatpak.SystemHelper.CancelPull when handling a CancelPull request for another user's ongoing pull. A remote user can invoke CancelPull on another user's pull to cause a denial of service.
Remediation
Install security update from vendor's website.