PYSEC-2026-650

Vulnerability from pysec - Published: 2026-07-02 14:13 - Updated: 2026-07-02 14:13
VLAI
Details

OpenStack Keystone Grizzly before 2013.1, Folsom, and possibly earlier allows remote attackers to cause a denial of service (CPU and memory consumption) via a large HTTP request, as demonstrated by a long tenant_name when requesting a token.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impacted products
Name purl
keystone pkg:pypi/keystone
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "keystone",
        "purl": "pkg:pypi/keystone"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0a0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-0270",
    "GHSA-4ppj-4p4v-jf4p"
  ],
  "details": "OpenStack Keystone Grizzly before 2013.1, Folsom, and possibly earlier allows remote attackers to cause a denial of service (CPU and memory consumption) via a large HTTP request, as demonstrated by a long tenant_name when requesting a token.",
  "id": "PYSEC-2026-650",
  "modified": "2026-07-02T14:13:22.017502Z",
  "published": "2026-07-02T14:13:22.017502Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0270"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/keystone/commit/7691276b869a86c2b75631d5bede9f61e030d9d8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/keystone/commit/82c87e5638ebaf9f166a9b07a0155291276d6fdc"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2013-0270"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/keystone/+bug/1099025"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=909012"
    },
    {
      "type": "WEB",
      "url": "https://launchpad.net/keystone/grizzly/2013.1"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0708.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/keystone"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-4ppj-4p4v-jf4p"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenStack Keystone Denial of Service vulnerability via a large HTTP request"
}



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