{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.0.0"
              },
              {
                "fixed": "2.1.16"
              },
              {
                "introduced": "2.2.0"
              },
              {
                "fixed": "2.2.9"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "6dd3ca9895be7ab7e6cb71f37af2ef66af17cbe0"
            },
            {
              "fixed": "439a8f66dbf05f369337dc8358e2698d57aba663"
            },
            {
              "introduced": "7aa47be3a617f75337d73d245352ea700bc8a1ef"
            },
            {
              "fixed": "253169df80a8c8babf479c6de5ce3d422e37dc6a"
            }
          ],
          "repo": "https://github.com/sylius/sylius",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-vv4h-q2x8-74g4"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-345"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100872.json"
  },
  "details": "Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark the inflated order as fully paid while the gateway captured only the original amount.",
  "id": "CVE-2026-100872",
  "modified": "2026-09-30T03:30:32.011836182Z",
  "published": "2026-09-27T13:09:56.034Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://packagist.org"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100872.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Sylius/Sylius/releases/tag/v2.2.9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100872"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-payment-amount-overwrite"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Sylius/Sylius/pull/19216"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Sylius/Sylius"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite"
}