CVE & CISA-KEV Catalog

CVE-2026-34080

MEDIUM
5.5
CVSS v3
NVD

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.

CWE-1289

How to fix

Remediation Available
xdg-dbus-proxyDebian
Fixed in:0.1.2-2+deb11u1CVE-2026-34080
Fixed in:0.1.4-3+deb12u1CVE-2026-34080
Fixed in:0.1.6-1+deb13u1CVE-2026-34080
Fixed in:0.1.7-1CVE-2026-34080
xdg-dbus-proxyUbuntu
Fixed in:0.1.2-1ubuntu0.1~esm1USN-8167-2
Fixed in:0.1.3-1ubuntu0.1USN-8167-1
Fixed in:0.1.5-1ubuntu0.2USN-8167-1
Fixed in:0.1.6-1ubuntu0.1USN-8167-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days
7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-1289 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-45179High7.22.6%--
CVE-2026-48710Medium6.51.9%-Fix
CVE-2026-47729Medium6.51.5%-Fix
CVE-2025-62718Critical9.91.2%-Fix
CVE-2026-33515Medium5.31.0%-Fix
CVE-2022-0675Medium5.60.9%-Fix

Common questions

How do I fix CVE-2026-34080?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-34080 being actively exploited?

Not that we know of. CVE-2026-34080 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.18% is the estimated probability that it will be exploited in the next 30 days. That is higher than 7% of all scored CVEs.

How severe is CVE-2026-34080?

CVE-2026-34080 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-34080 affect?

Published advisories record a fix for xdg-dbus-proxy (Debian), xdg-dbus-proxy (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-24.