3.9
Low
CVE-2026-97026 Flatpak: flatpak: world-writable temporary child repositories in system-helper cache path
Description
Flatpak creates temporary child repository directories under the user cache with world-writable permissions (0777). On multi-user systems with a permissive umask, other local users could read or modify the temporary directory used while installing apps or runtimes, potentially causing installation failures (denial of service); tampered content would fail signature/digest verification rather than being trusted.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:LExploitable with local access to the machine, with an ordinary account and if a user takes an action; the impact on data or service is limited.
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- Interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published |
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Not rated