{"id":"CVE-2018-12546","aliases":["ALPINE-CVE-2018-12546","BELL-CVE-2018-12546","DEBIAN-CVE-2018-12546","DSA-4388-1","EUVD-2018-4506","GHSA-mx88-h56f-w25v","UBUNTU-CVE-2018-12546","openSUSE-SU-2019:0233-1","openSUSE-SU-2019:0237-1","openSUSE-SU-2024:11057-1"],"status":"published","title":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message...","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00802,"percentile":0.56922,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284","CWE-732"],"published":"2019-02-10T00:00:00Z","modified":"2026-10-24T10:30:48Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"mosquitto","fixed_in":["1.4.15-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"mosquitto","fixed_in":["1.4.15-r5"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"mosquitto","fixed_in":["1.5.6-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mosquitto","fixed_in":["1.5.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mosquitto","fixed_in":["1.5.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mosquitto","fixed_in":["1.5.6-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"mosquitto","fixed_in":["1.4.8-1ubuntu0.16.04.5"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"mosquitto","fixed_in":["1.4.15-2ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0"},{"fixed":"1.5.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduc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Hub 15","package":"mosquitto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.15-bp150.3.3.1"}]}],"bundled":3}],"products":[{"vendor":"eclipse","product":"mosquitto"},{"vendor":"the eclipse foundation","product":"eclipse mosquitto"}],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=543127","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12546"},{"url":"https://github.com/advisories/GHSA-mx88-h56f-w25v"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-12546","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-12546","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-12546","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-12546","tags":["report"]},{"url":"https://mosquitto.org/blog/2019/02/version-1-5-6-released/","tags":["report"]},{"url":"https://mosquitto.org/files/cve/2018-12546","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-12546","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/SRF6WPNSL7W2K6AHOK3GYIPB4F2ISYFN/#SRF6WPNSL7W2K6AHOK3GYIPB4F2ISYFN","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1125019","tags":["report"]},{"url":"https://bugzilla.suse.com/1125020","tags":["report"]},{"url":"https://bugzilla.suse.com/1125021","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12546","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12550","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12551","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YSX4D64TRLDVQNQZHRPNZIOVDOBKHJEA/#YSX4D64TRLDVQNQZHRPNZIOVDOBKHJEA","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7650","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7651","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7652","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9868","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12543","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20145","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11778","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28166","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T17:26:20Z","modified":"2024-08-05T08:38:06.266Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:06.320867Z"}],"euvd":[{"id":"EUVD-2018-4506","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T17:26:20Z","modified":"2024-08-05T08:38:06Z","updated_at":"2026-11-03T02:39:52.61924Z"}],"ghsa":[{"id":"GHSA-mx88-h56f-w25v","title":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message...","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2022-05-13T01:17:52Z","modified":"2023-02-01T05:05:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:50:14.297796Z"}],"nvd":[{"id":"CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T18:29:00.24Z","modified":"2026-06-17T01:37:57.207Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-284","CWE-732"],"updated_at":"2026-11-02T14:04:55.136632Z"}],"osv":[{"id":"ALPINE-CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T18:29:00.24Z","modified":"2026-10-23T17:17:55.209268934Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"BELL-CVE-2018-12546","title":"CVE-2018-12546 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:22.42432Z","modified":"2026-01-26T09:50:05.15294Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T18:29:00.24Z","modified":"2026-10-24T10:30:48.980923161Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"DEBIAN-CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T18:29:00.24Z","modified":"2026-10-23T18:03:53.92989743Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-CVE-2018-12546","description":"In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.","status":"published","published":"2019-03-27T18:29:00Z","modified":"2026-04-22T11:43:35.687196Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"DSA-4388-1","title":"mosquitto - security update","status":"published","published":"2019-02-10T00:00:00Z","modified":"2026-03-09T02:10:07.740572Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"openSUSE-SU-2019:0233-1","title":"Security update for mosquitto","description":"This update for mosquitto fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12546: Fixed an issue with revoked access to topics (bsc#1125019).\n- CVE-2018-12551: Fixed an issue which allowed malformed data in the password file to be treated as valid (bsc#1125020).\n- CVE-2018-12550: Fixed an an issue which treats an empty ACL file  wrongly (bsc#1125021).\n","status":"published","published":"2019-03-23T11:06:23Z","modified":"2026-02-04T03:16:32.85422Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2019:0237-1","title":"Security update for mosquitto","description":"This update for mosquitto fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12546: Fixed an issue with revoked access to topics (bsc#1125019).\n- CVE-2018-12551: Fixed an issue which allowed malformed data in the password file to be treated as valid (bsc#1125020).\n- CVE-2018-12550: Fixed an an issue which treats an empty ACL file  wrongly (bsc#1125021).\n\nThis update was imported from the openSUSE:Leap:15.0:Update update project.","status":"published","published":"2019-02-23T08:03:59Z","modified":"2026-02-04T04:05:12.029622Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2024:11057-1","title":"libmosquitto1-2.0.11-1.2 on GA media","description":"These are all security issues fixed in the libmosquitto1-2.0.11-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:24:30.951191Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}