PYSEC-2026-793
Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-07 11:30
VLAI
Details
The 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.
Impacted products
| Name | purl | cobbler | pkg:pypi/cobbler |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "cobbler",
"purl": "pkg:pypi/cobbler"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.6.3-2"
]
}
],
"aliases": [
"CVE-2011-4953",
"GHSA-hpj3-5p46-g87w"
],
"details": "The `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.",
"id": "PYSEC-2026-793",
"modified": "2026-07-07T11:30:29.514920Z",
"published": "2026-07-06T08:03:25.826275Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-4953"
},
{
"type": "WEB",
"url": "https://github.com/cobbler/cobbler/commit/1b4f9ecf051422eb8512794701900f6199651442"
},
{
"type": "WEB",
"url": "https://bugs.launchpad.net/ubuntu/oneiric/+source/cobbler/+bug/858883"
},
{
"type": "WEB",
"url": "https://bugzilla.novell.com/show_bug.cgi?id=757062"
},
{
"type": "PACKAGE",
"url": "https://github.com/cobbler/cobbler"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00019.html"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/cobbler"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hpj3-5p46-g87w"
}
],
"summary": "Cobbler vulnerable to code injection via unsafe YAML loading"
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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