{"cve":"CVE-2016-4972","nvd":{"published":"2016-09-26T16:59:01.210","modified":"2026-06-17T00:48:31.910","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-20"],"references":["http://www.openwall.com/lists/oss-security/2016/06/23/8","https://bugs.launchpad.net/murano/+bug/1586079","https://bugs.launchpad.net/python-muranoclient/+bug/1586078","http://www.openwall.com/lists/oss-security/2016/06/23/8","https://bugs.launchpad.net/murano/+bug/1586079"],"products":["openstack:mitaka-murano","openstack:murano","openstack:murano-dashboard","openstack:python-muranoclient"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-4972","score":0.03193,"percentile":0.88107,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-87r7-q54j-f9qg","url":"https://osv.dev/vulnerability/GHSA-87r7-q54j-f9qg","summary":"OpenStack Murano Code Execution","modified":"2026-06-29T12:26:46.584121738Z","packages":[{"ecosystem":"PyPI","name":"murano","purl":"pkg:pypi/murano","ranges":["<1.0.3"],"fixed":["1.0.3"]},{"ecosystem":"PyPI","name":"murano-dashboard","purl":"pkg:pypi/murano-dashboard","ranges":["<1.0.3"],"fixed":["1.0.3"]},{"ecosystem":"PyPI","name":"murano-dashboard","purl":"pkg:pypi/murano-dashboard","ranges":[">=2.0.0 <2.0.1"],"fixed":["2.0.1"]},{"ecosystem":"PyPI","name":"python-muranoclient","purl":"pkg:pypi/python-muranoclient","ranges":["<0.7.3"],"fixed":["0.7.3"]},{"ecosystem":"PyPI","name":"python-muranoclient","purl":"pkg:pypi/python-muranoclient","ranges":[">=0.8.0 <0.8.5"],"fixed":["0.8.5"]}]},{"id":"PYSEC-2016-22","url":"https://osv.dev/vulnerability/PYSEC-2016-22","summary":"","modified":"2026-06-29T12:26:46.584121738Z","packages":[{"ecosystem":"PyPI","name":"python-muranoclient","purl":"pkg:pypi/python-muranoclient","ranges":["<0.7.3",">=0.8 <0.8.5"],"fixed":["0.7.3","0.8.5"]}]},{"id":"PYSEC-2026-429","url":"https://osv.dev/vulnerability/PYSEC-2026-429","summary":"OpenStack Murano Code Execution","modified":"2026-07-01T20:22:58.708002Z","packages":[{"ecosystem":"PyPI","name":"murano","purl":"pkg:pypi/murano","ranges":["<1.0.3"],"fixed":["1.0.3"]}]},{"id":"PYSEC-2026-430","url":"https://osv.dev/vulnerability/PYSEC-2026-430","summary":"OpenStack Murano Code Execution","modified":"2026-07-01T20:22:58.700091Z","packages":[{"ecosystem":"PyPI","name":"murano-dashboard","purl":"pkg:pypi/murano-dashboard","ranges":[">=2.0.0 <2.0.1"],"fixed":["2.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}