Medium severity5.9NVD Advisory· Published Sep 27, 2026· Updated Sep 28, 2026
CVE-2026-100869
CVE-2026-100869
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/Sylius/Sylius/commit/5813831f60f3a60b735a86a57c4b519626a3b75dnvd
- github.com/Sylius/Sylius/pull/19214nvd
- github.com/Sylius/Sylius/releases/tag/v2.2.9nvd
- github.com/Sylius/Sylius/security/advisories/GHSA-2rv4-pjmm-7fxfnvd
- www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-arbitrary-payment-action-via-shop-apinvd
News mentions
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