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.
SeverityMedium
CVSS4.0
Exploit probability—
ProductFlatpak
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-61CWE-61
How to fix
Update
- Flatpak Flatpak1.18.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Flatpak Flatpak | v < 1.18.1 | 1.18.1 |
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