UNIX Symbolic Link (Symlink) Following Affecting flatpak/xdg-desktop-portal package, versions [,1.20.4)[1.21.0,1.21.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Apr 2026
- disclosed11 Apr 2026
- creditCodean Labs
Introduced: 11 Apr 2026
CVE-2026-40354 (opens in a new tab)How to fix?
Upgrade flatpak/xdg-desktop-portal to version 1.20.4, 1.21.1 or higher.
Overview
Affected versions of this package are vulnerable to UNIX Symbolic Link (Symlink) Following via the g_file_trash function. An attacker can delete arbitrary files on the host system by exploiting symbolic link manipulation.