RHEL 9 : PackageKit (RHSA-2026:11504)

high Nessus Plugin ID 311123

Synopsis

The remote Red Hat host is missing a security update for PackageKit.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:11504 advisory.

PackageKit is a D-Bus abstraction layer that allows the session user to manage packages in a secure way using a cross-distribution, cross-architecture API.

Security Fix(es):

* PackageKit: race condition vulnerability leads to arbitrary package installation as root (CVE-2026-41651)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL PackageKit package based on the guidance in RHSA-2026:11504.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2460604

http://www.nessus.org/u?188f75c2

https://access.redhat.com/errata/RHSA-2026:11504

Plugin Details

Severity: High

ID: 311123

File Name: redhat-RHSA-2026-11504.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/30/2026

Updated: 4/30/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-41651

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:packagekit-gstreamer-plugin, p-cpe:/a:redhat:enterprise_linux:packagekit, p-cpe:/a:redhat:enterprise_linux:packagekit-glib-devel, p-cpe:/a:redhat:enterprise_linux:packagekit-gtk3-module, p-cpe:/a:redhat:enterprise_linux:packagekit-command-not-found, p-cpe:/a:redhat:enterprise_linux:packagekit-glib

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/29/2026

Vulnerability Publication Date: 4/22/2026

Reference Information

CVE: CVE-2026-41651

CWE: 367

RHSA: 2026:11504