{"id":"CVE-2019-2386","aliases":["CLSA-2022-1668117586","EUVD-2019-12028","GHSA-gqrr-9cvj-jrrq","UBUNTU-CVE-2019-2386","USN-5052-1"],"status":"published","title":"Authorization session conflation","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.\n\nWorkaround: \nAfter deleting one or more users, restart any nodes which may have had active user authorization sessions.\n\nRefrain from creating user accounts with the same name as previously deleted accounts.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01136,"percentile":0.66744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-613"],"published":"2019-08-06T18:32:07Z","modified":"2026-10-24T14:07:06Z","fixes":[{"ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb","fixed_in":["1:2.6.10-0ubuntu1+tuxcare.els2"],"sources":["osv"]},{"ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb-clients","fixed_in":["1:2.6.10-0ubuntu1+tuxcare.els2"],"sources":["osv"]},{"ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb-server","fixed_in":["1:2.6.10-0ubuntu1+tuxcare.els2"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"mongodb","fixed_in":["1:3.6.3-0ubuntu1.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"mongodb","fixed_in":["1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.6.10-0ubuntu1+tuxcare.els2"}]}]},{"source":"osv","ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb-clients","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.6.10-0ubuntu1+tuxcare.els2"}]}]},{"source":"osv","ecosystem":"TuxCare:Ubuntu:16.04","package":"mongodb-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.6.10-0ubuntu1+tuxcare.els2"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.4.6-0ubuntu5","1:2.4.6-0ubuntu6","1:2.4.8-1ubuntu1","1:2.4.8-2","1:2.4.9-1","1:2.4.9-1ubuntu1","1:2.4.9-1ubuntu2","1:2.4.9-1ubuntu2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.6.10-0ubuntu1","1:2.6.10-0ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.6.3-0ubuntu1.3"}]}],"versions":["1:3.4.7-1","1:3.4.7-1ubuntu1","1:3.4.7-1ubuntu2","1:3.4.7-1ubuntu4","1:3.4.14-3ubuntu1","1:3.4.14-3ubuntu2","1:3.6.3-0ubuntu1","1:3.6.3-0ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2"}]}],"versions":["1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.6.3-0ubuntu1.3"}]}],"versions":["1:3.4.7-1","1:3.4.7-1ubuntu1","1:3.4.7-1ubuntu2","1:3.4.7-1ubuntu4","1:3.4.14-3ubuntu1","1:3.4.14-3ubuntu2","1:3.6.3-0ubuntu1","1:3.6.3-0ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2"}]}],"versions":["1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5"]}],"products":[{"vendor":"mongodb","product":"mongodb"},{"vendor":"mongodb inc.","product":"mongodb server"},{"vendor":"mongodb, inc.","product":"mongodb server"}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-38984","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0829","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2386"},{"url":"https://github.com/advisories/GHSA-gqrr-9cvj-jrrq"},{"url":"https://errata.cloudlinux.com/ubuntu16-els/CLSA-2022-1668117586","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-2386","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5052-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-2386","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-2386","title":"Authorization session conflation","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.\n\nWorkaround: \nAfter deleting one or more users, restart any nodes which may have had active user authorization sessions.\n\nRefrain from creating user accounts with the same name as previously deleted accounts.","status":"published","published":"2019-08-06T18:32:07Z","modified":"2024-08-04T18:49:46.349Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:20:22.701371Z"}],"euvd":[{"id":"EUVD-2019-12028","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.\n\nWorkaround: \nAfter deleting one or more users, restart any nodes which may have had active user authorization sessions.\n\nRefrain from creating user accounts with the same name as previously deleted accounts.","status":"published","published":"2019-08-06T18:32:07Z","modified":"2024-08-04T18:49:46Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:06:55.481882Z"}],"ghsa":[{"id":"GHSA-gqrr-9cvj-jrrq","title":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows...","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.9; v3.6 versions prior to 3.6.13; v3.4 versions prior to 3.4.22.","status":"published","published":"2022-05-24T16:52:41Z","modified":"2023-06-27T20:25:31Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-285","CWE-613"],"updated_at":"2026-11-02T14:54:39.385813Z"}],"nvd":[{"id":"CVE-2019-2386","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.\n\nWorkaround: \nAfter deleting one or more users, restart any nodes which may have had active user authorization sessions.\n\nRefrain from creating user accounts with the same name as previously deleted accounts.","status":"published","published":"2019-08-06T19:15:13.613Z","modified":"2026-06-17T02:33:44.377Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-285","CWE-613"],"updated_at":"2026-11-02T14:05:21.892729Z"}],"osv":[{"id":"CVE-2019-2386","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22.\n\nWorkaround: \nAfter deleting one or more users, restart any nodes which may have had active user authorization sessions.\n\nRefrain from creating user accounts with the same name as previously deleted accounts.","status":"published","published":"2019-08-06T19:15:13.613Z","modified":"2026-10-24T14:07:06.855316904Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:12.363788Z"},{"id":"UBUNTU-CVE-2019-2386","description":"After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB Server v4.0 versions prior to 4.0.9; MongoDB Server v3.6 versions prior to 3.6.13 and MongoDB Server v3.4 versions prior to 3.4.22. Workaround: After deleting one or more users, restart any nodes which may have had active user authorization sessions. Refrain from creating user accounts with the same name as previously deleted accounts.","status":"published","published":"2019-08-06T19:15:00Z","modified":"2026-04-22T12:17:19.527046Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:21.213407Z"},{"id":"CLSA-2022-1668117586","title":"Fix CVE(s): CVE-2019-2386","description":"\n   * SECURITY UPDATE: After user deletion in MongoDB Server the improper\n     invalidation of authorization sessions allows an authenticated user's\n     session to persist and become conflated with new accounts, if those\n     accounts reuse the names of deleted ones\n     - debian/patches/CVE-2019-2386.patch: Validate unique User ID on\n     UserCache hit\n     - CVE-2019-2386","status":"published","published":"2022-11-10T21:59:46Z","modified":"2026-06-04T10:03:18.63851Z","updated_at":"2026-11-02T15:43:40.176048Z"},{"id":"USN-5052-1","title":"mongodb vulnerability","description":"MongoDB would fail to properly invalidate existing sessions for deleted\nusers. This could allow a remote authenticated attacker to gain elevated\nprivileges if their user account was recreated with elevated privileges.\n","status":"published","published":"2021-08-26T01:55:29Z","modified":"2026-04-27T15:55:51.478058Z","updated_at":"2026-11-02T16:58:15.683829Z"}]}}