PYSEC-2026-864

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03
VLAI
Details

The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.

Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Impacted products
Name purl
nova pkg:pypi/nova
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "nova",
        "purl": "pkg:pypi/nova"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "12.0.0"
            },
            {
              "fixed": "12.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-2140",
    "GHSA-49jv-37hm-6gfp"
  ],
  "details": "The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.",
  "id": "PYSEC-2026-864",
  "modified": "2026-07-06T08:03:22.002134Z",
  "published": "2026-07-06T08:03:22.002134Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2140"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/0b194187db9da28225cb5e62be3b45aff5a1c793"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/116b1210ab772c55d1ed1f715687d83877c92701"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/f302bf04ab5dda89cf8ceaeed309006da90c0666"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2016:0363"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2016:0364"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2016:0365"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2016:0366"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2016-2140"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/nova/+bug/1548450"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1313454"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openstack/nova"
    },
    {
      "type": "WEB",
      "url": "https://security.openstack.org/ossa/OSSA-2016-007.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/oss-sec/2016/q1/563"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/03/08/6"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/84277"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/nova"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-49jv-37hm-6gfp"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenStack Nova host data access through resize/migration"
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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