Vulnerability in Flatpak

CVE-2026-34078

Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the Flatpak portal accepts paths in the sandbox-expose options which can be app-controlled symlinks pointing at arbitrary paths. Flatpak run mounts the…

EPSS: 0.001 (16.0th percentile) — read the EPSS interpretation.

Affected products

Flatpak — versions < 1.16.4

Weakness classification (CWE)

CWE-61 — UNIX Symbolic Link (Symlink) Following

References

https://github.com/flatpak/flatpak/security/advisories/GHSA-cc2q-qc34-jprg (x_refsource_CONFIRM)