Main Vulnerability Database Vulnerabilities #VU125194

Time-of-check Time-of-use (TOCTOU) Race Condition in xdg-desktop-portal - #VU125194

Published: April 8, 2026

Vulnerability identifier: #VU125194

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: N/A

CWE-ID: CWE-367

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Flatpak

Affected software:
xdg-desktop-portal

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition. A remote attacker can delete arbitrary files on the system.

Install updates from vendor's website.