AIKIDO-2026-356443
sylius/sylius is vulnerable to Improper Authorization
65
Medium Risk
This Affects:
sylius/syliusTL;DR
The Shop API endpoint that submits Payment Request actions accepts any action value the caller supplies and passes it to the configured gateway. A shop customer who owns an order can request privileged gateway operations such as refund, cancel, or payout that should never be reachable from the shop context. On gateways that expose these actions this lets a customer trigger a refund while the order stays marked paid. The fix validates the requested action against an allowlist of capture, authorize, status, and notify.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use the Shop API with a payment gateway that exposes refund, cancel, or payout actions.
Background info
sylius/sylius is vulnerable to Improper Authorization in versions 2.0.0 - 2.1.15 and 2.2.0 - 2.2.8.
How to fix this
Upgrade the sylius/sylius library to the patch version.
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SOC 2Compliant
ISO 27001CompliantISO 42001Compliant
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