{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "25.6.0"
              },
              {
                "fixed": "25.7.3"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "d95f224756f5060ec3244d6f346d5d710116f482"
            },
            {
              "fixed": "0a4439556517cf67be0aa949b6551a14e409af75"
            }
          ],
          "repo": "https://github.com/openstack/horizon",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-696"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43002.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "25.6.0"
          },
          {
            "fixed": "25.7.3"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "25.6.0"
          },
          {
            "fixed": "25.7.3"
          }
        ],
        "source": "CPE_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "25.7"
          },
          {
            "fixed": "25.7.3"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.",
  "id": "CVE-2026-43002",
  "modified": "2026-09-12T03:30:54.540500968Z",
  "published": "2026-05-05T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/horizon/+bug/2150331"
    },
    {
      "type": "WEB",
      "url": "https://security.openstack.org/ossa/OSSA-2026-009.html"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/05/05/7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43002.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43002"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}