PYSEC-2026-862
Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03
VLAI
Details
The "create an instance" API in OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly enforce the os-flavor-access:is_public property, which allows remote authenticated users to boot arbitrary flavors by guessing the flavor id. NOTE: this issue is due to an incomplete fix for CVE-2013-2256.
Impacted products
| Name | purl | nova | pkg:pypi/nova |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "nova",
"purl": "pkg:pypi/nova"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "12.0.0a0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2013-4278",
"GHSA-43cm-73px-5v4m"
],
"details": "The \"create an instance\" API in OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly enforce the os-flavor-access:is_public property, which allows remote authenticated users to boot arbitrary flavors by guessing the flavor id. NOTE: this issue is due to an incomplete fix for CVE-2013-2256.",
"id": "PYSEC-2026-862",
"modified": "2026-07-06T08:03:27.046130Z",
"published": "2026-07-06T08:03:27.046130Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4278"
},
{
"type": "WEB",
"url": "https://github.com/openstack/nova/commit/4054cc4a22a1fea997dec76afb5646fd6c6ea6b9"
},
{
"type": "WEB",
"url": "https://github.com/openstack/nova/commit/6825959560e06725d26625fd21f5c0b78b305492"
},
{
"type": "WEB",
"url": "https://github.com/openstack/nova/commit/8b686195afe7e6dfb46c56c1ef2fe9c993d8e495"
},
{
"type": "WEB",
"url": "https://bugs.launchpad.net/ossa/+bug/1212179"
},
{
"type": "PACKAGE",
"url": "https://github.com/openstack/nova"
},
{
"type": "WEB",
"url": "http://lists.openstack.org/pipermail/openstack-announce/2013-August/000138.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2013-1199.html"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/nova"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-43cm-73px-5v4m"
}
],
"summary": "OpenStack Compute (Nova) Resource limit circumvention in Nova private flavors"
}
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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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