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Denial of service vulnerability in silverstripe-graphql via recursive queries

Type: advisorySources: OSV

silverstripe-graphql is a package which serves Silverstripe data in GraphQL representations. An attacker could use a recursive graphql query to execute a Distributed Denial of Service attack (DDOS attack) against a website. This mostly affects websites with publicly exposed graphql schemas. If your Silverstripe CMS project does not expose a public facing graphql schema, a user account is required to trigger the DDOS attack. If your site is hosted behind a content delivery network (CDN), such as Imperva or CloudFlare, this may further mitigate the risk. This issue has been addressed in versions 3.8.2, 4.1.3, 4.2.5, 4.3.4, and 5.0.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-40180
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 05:45 UTC · Revision 1

Source evidence

Denial of service vulnerability in silverstripe-graphql via recursive queries

core-osv · Original source

Published 16 Oct 2023, 18:05 UTC

silverstripe-graphql is a package which serves Silverstripe data in GraphQL representations. An attacker could use a recursive graphql query to execute a Distributed Denial of Service attack (DDOS attack) against a website. This mostly affects websites with publicly exposed graphql schemas. If your Silverstripe CMS project does not expose a public facing graphql schema, a user account is required to trigger the DDOS attack. If your site is hosted behind a content delivery network (CDN), such as Imperva or CloudFlare, this may further mitigate the risk. This issue has been addressed in versions 3.8.2, 4.1.3, 4.2.5, 4.3.4, and 5.0.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

osv:CVE-2023-40180
Complete source record
{
  "id": "dbcc2b138d328b2ae7329f62cce067749e5a55271775938041d90219f03d8a42",
  "url": "https://osv.dev/vulnerability/CVE-2023-40180",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Denial of service vulnerability in silverstripe-graphql via recursive queries",
    "summary": "silverstripe-graphql is a package which serves Silverstripe data in GraphQL representations. An attacker could use a recursive graphql query to execute a Distributed Denial of Service attack (DDOS attack) against a website. This mostly affects websites with publicly exposed graphql schemas. If your Silverstripe CMS project does not expose a public facing graphql schema, a user account is required to trigger the DDOS attack. If your site is hosted behind a content delivery network (CDN), such as Imperva or CloudFlare, this may further mitigate the risk. This issue has been addressed in versions 3.8.2, 4.1.3, 4.2.5, 4.3.4, and 5.0.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2023-40180",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-40180",
      "aliases": [
        "CVE-2023-40180",
        "GHSA-v23w-pppm-jh66"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/silverstripe/silverstripe-graphql",
              "type": "GIT",
              "events": [
                {
                  "introduced": "11970d56f3e57f370359cf9edab4c27e9f766c3c"
                },
                {
                  "fixed": "7638a3faf892742e8fa5a2baeb5252133d0e97a5"
                },
                {
                  "introduced": "8e66e64953a6675bc7726a2421292cecafb93c1c"
                },
                {
                  "fixed": "f6d5976ec4608e51184b0db1ee5b9e9a99d2501c"
                },
                {
                  "introduced": "82a2262804432327df5120b821ca9b26e93ed5a1"
                },
                {
                  "fixed": "d1f9a0280b5a2e1930663c52fe99aaf444a3bb56"
                },
                {
                  "introduced": "5acba87191e184b3bdf3819ee8899db8d096a421"
                },
                {
                  "fixed": "442cb5755c534cde009954d583db1948865ec3d6"
                },
                {
                  "introduced": "0e020711e0c81f07d1bd03ffcd3fc53f06b40169"
                },
                {
                  "fixed": "85faae8eb64828420a41c078a35a3bbb69f29712"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:silverstripe:graphql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.8.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:silverstripe:graphql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:silverstripe:graphql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "fixed": "4.2.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:silverstripe:graphql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.0"
                      },
                      {
                        "fixed": "4.3.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:silverstripe:graphql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "fixed": "5.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f6d5976ec4608e51184b0db1ee5b9e9a99d2501c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.4",
            "5.0.2",
            "4.3.3",
            "5.0.1",
            "4.3.2",
            "4.3.1",
            "4.3.0",
            "5.0.0",
            "4.2.3",
            "4.2.2",
            "4.2.1",
            "4.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40180.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.238669975Z",
      "provider": "osv",
      "references": [
        "https://docs.silverstripe.org/en/developer_guides/graphql/security_and_best_practices/recursive_or_complex_queries",
        "https://github.com/silverstripe/silverstripe-graphql/tree/3.8#recursive-or-complex-queries",
        "https://www.silverstripe.org/download/security-releases/CVE-2023-40180",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40180.json",
        "https://github.com/silverstripe/silverstripe-graphql/security/advisories/GHSA-v23w-pppm-jh66",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-40180",
        "https://github.com/silverstripe/silverstripe-graphql/commit/f6d5976ec4608e51184b0db1ee5b9e9a99d2501c"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-400"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40180.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-40180",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492814,
  "published_at": "2023-10-16T18:05:14.806+00:00"
}