UNIX Symbolic Link (Symlink) Following Affecting flatpak/flatpak package, versions [,1.16.4)[1.17.0,1.17.4)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.68% (77th percentile)

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  • Snyk IDSNYK-UNMANAGED-FLATPAKFLATPAK-16078392
  • published16 Apr 2026
  • disclosed7 Apr 2026
  • creditCodean Labs

Introduced: 7 Apr 2026

CVE-2026-34078  (opens in a new tab)
CWE-61  (opens in a new tab)

How to fix?

Upgrade flatpak/flatpak to version 1.16.4, 1.17.4 or higher.

Overview

Affected versions of this package are vulnerable to UNIX Symbolic Link (Symlink) Following via the sandbox-expose process. An attacker can access arbitrary files on the host system and execute code in the host context by supplying app-controlled symlinks that point to sensitive host paths.

CVSS Base Scores

version 4.0
version 3.1