{"id":"CVE-2026-111253","aliases":["DEBIAN-CVE-2026-111253","EUVD-2026-117580","GHSA-pv76-vr6r-5vv5","UBUNTU-CVE-2026-111253"],"status":"published","title":"Dnf5daemon-server: dnf5: dnf5daemon-server: missing session-owner check allows foreign d-bus callers to replace another client's resolved transaction","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.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00129,"percentile":0.0264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-11-05T16:30:05Z","modified":"2026-11-07T01:45:05Z","affected":[{"source":"osv","ecosystem":"Debian:14","package":"dnf5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3.0.0-1","5.3.0.0-2","5.4.0.0-1","5.4.2.0-1","5.4.2.1-1","5.4.3.0-1","5.4.4.0-1","5.4.5.0-1","5.4.6.0-1","5.4.6.0-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"dnf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.2-6"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"dnf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.14.0-4","4.14.0-4.1","4.14.0-4.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"dnf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.24.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"dnf5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.0.0-1","5.4.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"dnf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.23.0-1","4.24.0-1","4.24.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"dnf5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.0.0-1"]}],"products":[{"vendor":"red hat","product":"red hat hardened images"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-111253","tags":["vdb-entry","x_refsource_REDHAT","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2553683","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://github.com/rpm-software-management/dnf5/commit/46a4a8ad8d34af91ec2add6bb29e487571ea6c85","tags":["fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111253","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pv76-vr6r-5vv5"},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111253.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-111253","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-111253","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111253","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-111253","title":"Dnf5daemon-server: dnf5: dnf5daemon-server: missing session-owner check allows foreign d-bus callers to replace another client's resolved transaction","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.","status":"published","published":"2026-11-05T16:30:05.133Z","modified":"2026-11-05T16:46:26.191Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-05T17:53:58.925122Z"}],"euvd":[{"id":"EUVD-2026-117580","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.","status":"published","published":"2026-11-05T16:30:05Z","modified":"2026-11-05T16:46:26Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-05T21:02:01.623657Z"}],"ghsa":[{"id":"GHSA-pv76-vr6r-5vv5","title":"A flaw was found in dnf5daemon-server. Session methods on dynamically exported D-Bus session...","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.","status":"published","published":"2026-11-05T18:33:14Z","modified":"2026-11-05T18:33:24Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-05T18:55:28.046839Z"}],"nvd":[{"id":"CVE-2026-111253","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.","status":"published","published":"2026-11-05T17:17:37.623Z","modified":"2026-11-05T17:17:37.763Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-05T19:56:16.493279Z"}],"osv":[{"id":"CVE-2026-111253","title":"Dnf5daemon-server: dnf5: dnf5daemon-server: missing session-owner check allows foreign d-bus callers to replace another client's resolved transaction","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.","status":"published","published":"2026-11-05T16:30:05.133Z","modified":"2026-11-07T07:03:49.28734419Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-07T03:08:00.544003Z"},{"id":"DEBIAN-CVE-2026-111253","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.","status":"published","published":"2026-11-05T17:17:37.623Z","modified":"2026-11-06T21:00:06.778115282Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-06T21:24:02.163139Z"},{"id":"UBUNTU-CVE-2026-111253","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.","status":"published","published":"2026-11-06T00:00:00Z","modified":"2026-11-07T01:45:05.709910726Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-07T01:57:16.198641Z"}]}}