Hi,

The following vulnerability was published for dnf5.

CVE-2026-111253[0]:
| A flaw was found in dnf5daemon-server. Session methods on
| dynamically exported D-Bus session objects do not verify that the
| caller is the unique sender that created the session. A local
| attacker can modify another user's live package-management session
| and replace its resolved transaction plan. If the legitimate session
| party later authorizes execution, the root daemon may apply the
| attacker-chosen package operations.

https://github.com/rpm-software-management/dnf5/commit/46a4a8ad8d34af91ec2add6bb29e487571ea6c85 (5.4.7.0)
https://bugzilla.redhat.com/show_bug.cgi?id=2553683


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-111253
https://www.cve.org/CVERecord?id=CVE-2026-111253

Please adjust the affected versions in the BTS as needed.