Link Following Affecting flatpak package, versions <1.18.1-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.33% (24th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FLATPAK-20060148
  • published23 Sept 2026
  • disclosed27 Sept 2026

Introduced: 23 Sep 2026

CVE-2026-96282  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade Debian:unstable flatpak to version 1.18.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream flatpak package and not the flatpak package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A malicious Flatpak extension can probe the host filesystem to determine what files and directories exist at arbitrary paths, and host directory listings can be disclosed to sandboxed applications using the extension. Additionally, unvalidated extension metadata can cause extension content to be mounted at unintended locations inside the sandbox.

CVSS Base Scores

version 3.1