{"id":"CVE-2011-4953","aliases":["GHSA-hpj3-5p46-g87w","PYSEC-2026-793"],"title":"Cobbler vulnerable to code injection via unsafe YAML loading","summary":"Cobbler vulnerable to code injection via unsafe YAML loading","severity":"medium","vendor":"cobbler","product":"cobbler","ecosystem":"pip","affected":["cobbler < 2.6.0"],"patched":["cobbler 2.6.0"],"published":"2022-05-17","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-hpj3-5p46-g87w","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4953"},{"url":"https://github.com/cobbler/cobbler/commit/1b4f9ecf051422eb8512794701900f6199651442"},{"url":"https://bugs.launchpad.net/ubuntu/oneiric/+source/cobbler/+bug/858883"},{"url":"https://bugzilla.novell.com/show_bug.cgi?id=757062"},{"url":"https://github.com/cobbler/cobbler"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00019.html"}],"tags":["osv","pip"],"epss":0.02192,"epssPercentile":0.81439,"ingestedAt":"2026-07-08T18:25:50.295Z","slug":"CVE-2011-4953","body":"## Overview\n\nThe `set_mgmt_parameters` function in item.py in cobbler before 2.2.2 allows context-dependent attackers to execute arbitrary code via vectors related to the use of the `yaml.load` function instead of the `yaml.safe_load function`, as demonstrated using Puppet.\n\n## Affected packages\n\n- `cobbler < 2.6.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `cobbler 2.6.0`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}