{"id":"GHSA-87r7-q54j-f9qg","summary":"OpenStack Murano Code Execution","details":"OpenStack Murano before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), Murano-dashboard before 1.0.3 (liberty) and 2.x before 2.0.1 (mitaka), and python-muranoclient before 0.7.3 (liberty) and 0.8.x before 0.8.5 (mitaka) improperly use loaders inherited from yaml.Loader when parsing MuranoPL and UI files, which allows remote attackers to create arbitrary Python objects and execute arbitrary code via crafted extended YAML tags in UI definitions in packages.","aliases":["CVE-2016-4972","PYSEC-2016-22","PYSEC-2026-429","PYSEC-2026-430"],"modified":"2026-06-29T12:26:46.584121738Z","published":"2022-05-17T03:48:22Z","database_specific":{"github_reviewed_at":"2023-07-31T23:11:19Z","nvd_published_at":"2016-09-26T16:59:00Z","cwe_ids":["CWE-20"],"severity":"CRITICAL","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4972"},{"type":"WEB","url":"https://github.com/openstack/murano/commit/28de8c36c9dbe4aaf4d062e6fb6099afd437f49b"},{"type":"WEB","url":"https://bugs.launchpad.net/murano/+bug/1586079"},{"type":"WEB","url":"https://bugs.launchpad.net/python-muranoclient/+bug/1586078"},{"type":"PACKAGE","url":"https://github.com/openstack/murano"},{"type":"WEB","url":"https://github.com/openstack/murano/blob/c898a310afbc27f12190446ef75d8b0bd12115eb/releasenotes/notes/safeloader-cve-2016-4972-19035a2a091ec30a.yaml"},{"type":"WEB","url":"https://github.com/openstack/murano/blob/c898a310afbc27f12190446ef75d8b0bd12115eb/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/python-muranoclient/PYSEC-2016-22.yaml"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/06/23/8"}],"affected":[{"package":{"name":"murano","ecosystem":"PyPI","purl":"pkg:pypi/murano"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3"}]}],"versions":["0","1.0.0","1.0.0.0b1","1.0.0.0b2","1.0.0.0b3","1.0.0.0rc1","1.0.1","1.0.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-87r7-q54j-f9qg/GHSA-87r7-q54j-f9qg.json"}},{"package":{"name":"murano-dashboard","ecosystem":"PyPI","purl":"pkg:pypi/murano-dashboard"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3"}]}],"versions":["0","1.0.0","1.0.0.0b1","1.0.0.0b2","1.0.0.0b3","1.0.0.0rc1","1.0.1","1.0.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-87r7-q54j-f9qg/GHSA-87r7-q54j-f9qg.json"}},{"package":{"name":"murano-dashboard","ecosystem":"PyPI","purl":"pkg:pypi/murano-dashboard"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-87r7-q54j-f9qg/GHSA-87r7-q54j-f9qg.json"}},{"package":{"name":"python-muranoclient","ecosystem":"PyPI","purl":"pkg:pypi/python-muranoclient"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.3"}]}],"versions":["0.2","0.2.11","0.2.12","0.3","0.4","0.4.1","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.5.8","0.5.9","0.6.0","0.6.2","0.6.3","0.7.0","0.7.1","0.7.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-87r7-q54j-f9qg/GHSA-87r7-q54j-f9qg.json"}},{"package":{"name":"python-muranoclient","ecosystem":"PyPI","purl":"pkg:pypi/python-muranoclient"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.8.0"},{"fixed":"0.8.5"}]}],"versions":["0.8.0","0.8.1","0.8.2","0.8.3","0.8.4"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-87r7-q54j-f9qg/GHSA-87r7-q54j-f9qg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}