High severity7.5NVD Advisory· Published Sep 27, 2026· Updated Sep 28, 2026
CVE-2026-100872
CVE-2026-100872
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905dnvd
- github.com/Sylius/Sylius/pull/19216nvd
- github.com/Sylius/Sylius/releases/tag/v2.2.9nvd
- github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4nvd
- www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-payment-amount-overwritenvd
News mentions
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