{"id":"CVE-2026-100872","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-100872","summary":"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…","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.","published":"2026-09-27T13:16:38.523","modified":"2026-09-27T13:16:38.523","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905d","label":"Sylius/Sylius@9e9aeaa"},"references":[{"type":"WEB","url":"https://github.com/Sylius/Sylius"},{"type":"WEB","url":"https://github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905d"},{"type":"WEB","url":"https://github.com/Sylius/Sylius/pull/19216"},{"type":"WEB","url":"https://github.com/Sylius/Sylius/releases/tag/v2.2.9"},{"type":"WEB","url":"https://github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-payment-amount-overwrite"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-27T13:16:38.523"}}