Gentoo Flatpak High Sandbox Escape Issues GLSA-202608

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Multiple vulnerabilities have been discovered in Flatpak. Please review the CVE identifiers referenced below for details.

[ 1 ] CVE-2026-34078 [ 2 ] CVE-2026-34079

[ 1 ] CVE-2026-34078 [ 2 ] CVE-2026-34079

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: style>.gentoo_availability{display:block;}

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to [email protected] or alternatively, you may file a bug at

Severity: High Title: Flatpak: Multiple Vulnerabilities Date: August 14, 2026 Bugs: #972414 ID: 202608-06

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There is no known workaround at this time.