{"affected":[{"defaultStatus":"affected","ecosystem":"https://access.redhat.com/downloads/content/package-browser/","packageName":"dnf5","product":"Red Hat Hardened Images","source":"CNA: fedora","vendor":"Red Hat","versions":[]}],"cveId":"CVE-2026-111253","cwes":["CWE-862"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.6,"severity":"medium","source":"CNA: fedora","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","version":"3.1"}],"modifiedAt":1793897186191,"publishedAt":1793896205133,"references":[{"source":"CNA: fedora","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-111253"},{"source":"CNA: fedora","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2553683"},{"source":"CNA: fedora","tags":[],"url":"https://github.com/rpm-software-management/dnf5/commit/46a4a8ad8d34af91ec2add6bb29e487571ea6c85"}],"remediation":[{"kind":"workaround","source":"CNA: fedora","text":"Until a fixed build is available, avoid leaving interactive dnf5daemon sessions open on multi-user systems where untrusted local accounts can access the system bus, and close sessions promptly after use."}],"revision":"028a147c8d226a5f4622cb18b4d27fe8f1d3607c7c5b80eb9ba3bb735fb1acd2","sources":[{"modifiedAt":1793897186191,"name":"CNA: fedora","retrievedAt":1793898619831,"url":"https://www.cve.org/CVERecord?id=CVE-2026-111253"}],"ssvc":{"assessedAt":1793897172036,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Dnf5daemon-server: dnf5: dnf5daemon-server: missing session-owner check allows foreign d-bus callers to replace another client's resolved transaction","updatedAt":1793898619831}