CVE-2026-111253

NameCVE-2026-111253
DescriptionA 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1153262

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dnf5 (PTS)forky, sid5.4.6.0-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dnf5source(unstable)(unfixed)1153262

Notes

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

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