CVE-2026-97026

Low

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.

SeverityLow
CVSS3.9
Exploit probability—
ProductRed Hat Enterprise Linux 10
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-378CWE-378

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Red Hat Red Hat Enterprise Linux 10No range specified—
Red Hat Red Hat Enterprise Linux 7No range specified—
Red Hat Red Hat Enterprise Linux 8No range specified—
Red Hat Red Hat Enterprise Linux 9No range specified—

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