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CVE-2026-34080 Details

Description

xdg-dbus-proxy is a filtering proxy for D-Bus connections. Prior to 0.1.7, a policy parser vulnerability allows bypassing eavesdrop restrictions. The proxy checks for eavesdrop=true in policy rules but fails to handle eavesdrop ='true' (with a space before the equals sign) and similar cases. Clients can intercept D-Bus messages they should not have access to. This vulnerability is fixed in 0.1.7.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://lists.debian.org/debian-lts-announce/2026/04/msg00022.html	CVE
http://www.openwall.com/lists/oss-security/2026/04/10/15	CVE	Third Party Advisory
https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-vjp5-hjfm-7677	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-1289	Improper Validation of Unsafe Equivalence in Input	[email protected]

Affected Products

Product	Versions
flatpak xdg-dbus-proxy	< 0.1.7
CPE cpe:2.3:a:flatpak:xdg-dbus-proxy:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jul 24, 2026	CVE Translated	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 21, 2026	CVE Modified	CVE
Apr 14, 2026	Initial Analysis	[email protected]
Apr 11, 2026	CVE Modified	CVE
Apr 7, 2026	New CVE Received	[email protected]