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Description

Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the caching for ld.so removes outdated cache files without properly checking that the app controlled path to the outdated cache is in the cache directory. This allows Flatpak apps to delete arbitrary files on the host. This vulnerability is fixed in 1.16.4.

PUBLISHED Reserved 2026-03-25 | Published 2026-04-07 | Updated 2026-04-10 | Assigner GitHub_M




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

< 1.16.4
affected

References

github.com/...latpak/security/advisories/GHSA-p29x-r292-46pp

cve.org (CVE-2026-34079)

nvd.nist.gov (CVE-2026-34079)

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