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VULNERABILITIES

CVE-2026-97027 Details

Description

Flatpak passes through arbitrary vendor-extension keys unmodified when exporting an application's Desktop Entry (.desktop) and D-Bus Service (.service) files, instead of validating against an allowlist. A malicious Flatpak app can use this to cause denial of service (e.g. forced application restart loops) or to influence host D-Bus/systemd activation behavior beyond what the sandbox is intended to permit.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.6 LOWVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-97027 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2542683 [email protected]
https://github.com/flatpak/flatpak/security/advisories/GHSA-v64f-hrwr-j4vh [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-97027
NVD Published Date:
Sep 28, 2026
NVD Last Modified:
Sep 29, 2026
Source:
[email protected]
CVE-2026-97027 Details - Not Deferred