CVE-2016-4972

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.

• CWE-20

• http://www.openwall.com/lists/oss-security/2016/06/23/8Patch, Third Party Advisory
• https://bugs.launchpad.net/murano/+bug/1586079Patch, Vendor Advisory
• https://bugs.launchpad.net/python-muranoclient/+bug/1586078Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2016/06/23/8Patch, Third Party Advisory
• https://bugs.launchpad.net/murano/+bug/1586079Patch, Vendor Advisory
• https://bugs.launchpad.net/python-muranoclient/+bug/1586078Patch, Vendor Advisory

Published

Sep 26, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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