CVEvulnerability
CVE-2026-97026
3.9 LOW
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-28
- Last modified
- 2026-09-30
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.9 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
- Weaknesses
- CWE-378
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.
Related
Weakness · CWE (1)
- CWE-378 Creation of Temporary File With Insecure Permissions weakness
References
- https://access.redhat.com/security/cve/CVE-2026-97026 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2542637 bugzilla.redhat.com
- https://github.com/flatpak/flatpak/security/advisories/GHSA-r9w3-qx54-qvc8 github.com