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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34080

⇱ NVD - CVE-2026-34080

  1. Vulnerabilities

CVE-2026-34080 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

CVSS-B 6.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
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 GitHub, Inc. Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2026/04/msg00022.html CVE

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information 👁 cwe source acceptance level
NIST  
CWE-1289 Improper Validation of Unsafe Equivalence in Input GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

CVE Modified by CISA-ADP 6/17/2026 6:38:31 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2026-04-08T15:40:24.515938Z","id":"CVE-2026-34080","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by GitHub, Inc. 6/17/2026 6:38:31 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"flatpak","product":"xdg-dbus-proxy","versions":[{"version":"< 0.1.7","status":"affected"}]}]

CVE Modified by CVE 4/21/2026 9:16:20 AM

Action Type Old Value New Value
Added Reference 
https://lists.debian.org/debian-lts-announce/2026/04/msg00022.html

Initial Analysis by NIST 4/14/2026 3:23:12 PM

Action Type Old Value New Value
Added CVSS V3.1 
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Added CWE 
NVD-CWE-noinfo
Added CPE Configuration 
OR
 *cpe:2.3:a:flatpak:xdg-dbus-proxy:*:*:*:*:*:*:*:* versions up to (excluding) 0.1.7
Added Reference Type 
CVE: http://www.openwall.com/lists/oss-security/2026/04/10/15 Types: Third Party Advisory
Added Reference Type 
GitHub, Inc.: https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-vjp5-hjfm-7677 Types: Vendor Advisory

CVE Modified by CVE 4/10/2026 11:16:02 PM

Action Type Old Value New Value
Added Reference 
http://www.openwall.com/lists/oss-security/2026/04/10/15

New CVE Received from GitHub, Inc. 4/07/2026 5:17:17 PM

Action Type Old Value New Value
Added 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.
Added CVSS V4.0 
AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Added CWE 
CWE-1289
Added Reference 
https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-vjp5-hjfm-7677

Quick Info

CVE Dictionary Entry:
CVE-2026-34080
NVD Published Date:
04/07/2026
NVD Last Modified:
06/17/2026
Source:
GitHub, Inc.