CVE-2026-96807

MEDIUMCVSS 4.0

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.

Timeline

Published:September 23rd, 2026 5:17 PM

Last modified:September 26th, 2026 11:16 PM

CVSS Scoring

CVSS v3: 4.0 (MEDIUM)

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

Weaknesses (CWE)

CWE-61

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute