CVE-2026-96807

medium

Description

In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making this hard to exploit.

References

https://github.com/flatpak/flatpak/security/advisories/GHSA-99wv-m8rp-g58x

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-85423

Details

Source: Mitre, NVD

Published: 2026-09-23

Updated: 2026-09-26

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 4

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Severity: Medium

EPSS

EPSS: 0.00123