Sylius 2.x before 2.1.16 and 2.2.9 Arbitrary Payment Action via Shop API

{
  "id": "f3583a682ceb1640e666859adac7ab8b38b7cabc1d0eef5689c61421c5048c9d",
  "url": "https://osv.dev/vulnerability/CVE-2026-100869",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Sylius 2.x before 2.1.16 and 2.2.9 Arbitrary Payment Action via Shop API",
    "summary": "Sylius versions before 2.1.16 and 2.2.9 fail to restrict payment request actions in the Shop API endpoint, allowing customers to trigger refunds on completed orders. Attackers with order tokens can submit arbitrary payment actions like refunds that payment gateways execute while Sylius maintains order as paid, causing financial loss.",
    "evidence": "osv:CVE-2026-100869",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-100869",
      "aliases": [
        "CVE-2026-100869",
        "GHSA-2rv4-pjmm-7fxf"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sylius/sylius",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6dd3ca9895be7ab7e6cb71f37af2ef66af17cbe0"
                },
                {
                  "fixed": "439a8f66dbf05f369337dc8358e2698d57aba663"
                },
                {
                  "introduced": "7aa47be3a617f75337d73d245352ea700bc8a1ef"
                },
                {
                  "fixed": "253169df80a8c8babf479c6de5ce3d422e37dc6a"
                },
                {
                  "fixed": "5813831f60f3a60b735a86a57c4b519626a3b75d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.1.16"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.2.0"
                      },
                      {
                        "fixed": "2.2.9"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "5813831f60f3a60b735a86a57c4b519626a3b75d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "253169df80a8c8babf479c6de5ce3d422e37dc6a"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.2.9"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.2.8",
            "v2.2.7",
            "v2.2.6",
            "v2.1.15",
            "v2.2.5",
            "v2.1.14",
            "v2.2.4",
            "v2.1.13",
            "v2.2.3",
            "v2.1.12",
            "v2.2.2",
            "v2.1.11",
            "v2.2.1",
            "v2.1.10",
            "v2.2.0",
            "v2.1.9",
            "v2.1.8",
            "v2.1.7",
            "v2.1.6",
            "v2.1.5",
            "v2.1.4",
            "v2.1.3",
            "v2.1.2",
            "v2.1.1",
            "v2.1.0",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100869.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.573949908Z",
      "provider": "osv",
      "references": [
        "https://packagist.org",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100869.json",
        "https://github.com/Sylius/Sylius/releases/tag/v2.2.9",
        "https://github.com/Sylius/Sylius/security/advisories/GHSA-2rv4-pjmm-7fxf",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-100869",
        "https://www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-arbitrary-payment-action-via-shop-api",
        "https://github.com/Sylius/Sylius/commit/5813831f60f3a60b735a86a57c4b519626a3b75d",
        "https://github.com/Sylius/Sylius/pull/19214",
        "https://github.com/Sylius/Sylius"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100869.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-100869",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508997,
  "published_at": "2026-09-27T13:09:54.038+00:00"
}