xdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions. This allows a sandboxed Flatpak application to intercept broadcast signals on the D-Bus session bus and AT-SPI bus that should be restricted, potentially exposing sensitive information to unauthorized applications.
History

Tue, 22 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
References

Sat, 19 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Description xdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions. This allows a sandboxed Flatpak application to intercept broadcast signals on the D-Bus session bus and AT-SPI bus that should be restricted, potentially exposing sensitive information to unauthorized applications.
Title Xdg-dbus-proxy: xdg-dbus-proxy: filtering for broadcast messages bypasses path/interface/member checks
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-284
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 3.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-09-18T14:19:34.528Z

Updated: 2026-09-22T23:07:03.845Z

Reserved: 2026-09-18T13:51:38.463Z

Link: CVE-2026-93676

cve-icon Vulnrichment

Updated: 2026-09-22T23:07:03.845Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T15:17:22.813

Modified: 2026-09-22T23:17:08.413

Link: CVE-2026-93676

cve-icon Redhat

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