CVE-2026-96807

EUVD-2026-85423
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.
Symlink
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
4 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
flatpakflatpak
𝑥
< 1.18.1
CNA
Debian logo
Debian Releases
Debian Product
Codename
flatpak
bookworm
vulnerable
bookworm (security)
vulnerable
forky
1.18.2-1
fixed
sid
1.18.3-1
fixed
trixie
1.16.6-1~deb13u2
fixed
trixie (security)
1.16.6-1~deb13u2
fixed