CVE-2026-93676

Information disclosure via bypassed broadcast filters

Published Sep 18, 2026 · Updated Sep 18, 2026

Improper access control in xdg-dbus-proxy 0.1.6 and 0.1.7 allows local users to read restricted D-Bus broadcast signals. The incoming-broadcast path accepts any signal from a sender with TALK policy and skips configured object-path, interface, and member matching. Exploitation requires a malicious or compromised sandboxed application to run locally; it can monitor session-bus or AT-SPI signals beyond its grants.

CVSS severity3.2
Low
EPSS probability0.14%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in xdg-dbus-proxy 0.1.6 and 0.1.7 allows local users to read restricted D-Bus broadcast signals. The incoming-broadcast path accepts any signal from a sender with TALK policy and skips configured object-path, interface, and member matching. Exploitation requires a malicious or compromised sandboxed application to run locally; it can monitor session-bus or AT-SPI signals beyond its grants.

The record

CVE
CVE-2026-93676
Published
Sep 18, 2026
Updated
Sep 18, 2026
Vendor
Commonhaus Foundation
Product
Red Hat Enterprise Linux 10
Classifications
CWE-284, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Commonhaus Foundation · Red Hat Enterprise Linux 10Affected versions are unavailable in this record.
Commonhaus Foundation · Red Hat Enterprise Linux 9Affected versions are unavailable in this record.

Published CVSS scores

3.2GitHubCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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