CVE-2026-93676

Xdg-dbus-proxy: xdg-dbus-proxy: filtering for broadcast messages bypasses path/interface/member checks

State: Published
Severity: 3.2 Low
Published: Sep 18, 2026
Updated: Sep 22, 2026
Reserved: Sep 18, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	3.2 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N	redhat

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2026-93676vdb-entry
RHBZ#2537014issue-tracking
http://www.openwall.com/lists/oss-security/2026/09/22/24

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.