{"id":"CVE-2023-1636","aliases":["EUVD-2023-2450","GHSA-6rx9-c2rh-3qv4","PYSEC-2026-1214"],"status":"published","title":"Incomplete container isolation","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00484,"percentile":0.4199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-653"],"published":"2023-09-24T00:09:03Z","modified":"2026-10-28T02:30:20Z","affected":[{"source":"ghsa","ecosystem":"PyPI","package":"barbican","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"16.0.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"barbican","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"16.0.0"}]}],"versions":["0","10.0.0","10.0.0.0rc1","10.1.0","11.0.0","11.0.0.0rc1","12.0.0","12.0.0.0rc1","12.0.0.0rc2","12.0.1","12.0.2","13.0.0","13.0.0.0rc1","13.0.1","13.0.2","14.0.0","14.0.0.0rc1","14.0.1","14.0.2","15.0.0","15.0.0.0rc1","15.0.0.0rc2","15.0.0.0rc3","15.0.1","16.0.0","16.0.0.0rc1","6.0.0.0b1","8.0.0","8.0.0.0rc1","8.0.1","9.0.0","9.0.0.0rc1","9.0.1"]},{"source":"osv","ecosystem":"PyPI","package":"barbican","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"16.0.0"}]}],"versions":["0","10.0.0","10.0.0.0rc1","10.1.0","11.0.0","11.0.0.0rc1","12.0.0","12.0.0.0rc1","12.0.0.0rc2","12.0.1","12.0.2","13.0.0","13.0.0.0rc1","13.0.1","13.0.2","14.0.0","14.0.0.0rc1","14.0.1","14.0.2","15.0.0","15.0.0.0rc1","15.0.0.0rc2","15.0.0.0rc3","15.0.1","16.0.0","16.0.0.0rc1","6.0.0.0b1","8.0.0","8.0.0.0rc1","8.0.1","9.0.0","9.0.0.0rc1","9.0.1"]}],"products":[{"vendor":"openstack","product":"barbican"},{"vendor":"rdo","product":"openstack rdo"},{"vendor":"red hat","product":"red hat openstack platform 13 (queens)"},{"vendor":"red hat","product":"red hat openstack platform 16.1"},{"vendor":"red hat","product":"red hat openstack platform 16.2"},{"vendor":"red hat","product":"red hat openstack platform 17.0"},{"vendor":"redhat","product":"openstack_platform"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-1636","tags":["vdb-entry","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2181765","tags":["issue-tracking","x_refsource_REDHAT","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1636","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6rx9-c2rh-3qv4","tags":["advisory"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://repos.fedorapeople.org/repos/openstack/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1636.json","tags":["advisory"]},{"url":"https://github.com/openstack/barbican","tags":["package"]},{"url":"https://pypi.org/project/barbican","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-1636","title":"Incomplete container isolation","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T00:09:03.77Z","modified":"2024-09-24T15:00:07.823Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T14:35:31.657022Z"}],"euvd":[{"id":"EUVD-2023-2450","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T00:09:03Z","modified":"2024-09-24T15:00:07Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:28:15.73715Z"}],"ghsa":[{"id":"GHSA-6rx9-c2rh-3qv4","title":"OpenStack Barbican information disclosure vulnerability","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T03:30:20Z","modified":"2023-11-07T05:04:43Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T14:37:15.931647Z"}],"nvd":[{"id":"CVE-2023-1636","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T01:15:43.92Z","modified":"2026-06-17T05:28:25.243Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T14:08:31.699785Z"}],"osv":[{"id":"CVE-2023-1636","title":"Incomplete container isolation","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T00:09:03.77Z","modified":"2026-10-28T02:30:20.747141691Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T15:44:30.334753Z"},{"id":"GHSA-6rx9-c2rh-3qv4","title":"OpenStack Barbican information disclosure vulnerability","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2023-09-24T03:30:20Z","modified":"2026-07-07T17:56:16.893844479Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"PYSEC-2026-1214","title":"OpenStack Barbican information disclosure vulnerability","description":"A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.","status":"published","published":"2026-07-07T11:45:24.958611Z","modified":"2026-07-07T17:46:33.71014035Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:54.622769Z"}]}}