HIGH 8.7 NVD
CVE-2026-100872
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 af
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.
References
- https://github.com/Sylius/Sylius
- https://github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905d
- https://github.com/Sylius/Sylius/pull/19216
- https://github.com/Sylius/Sylius/releases/tag/v2.2.9
- https://github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-27 via NVD.
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