Sylius up to 2.1.15/2.2.8 Shop API Endpoint privileges management

Summaryinfo

A vulnerability categorized as problematic has been discovered in Sylius up to 2.1.15/2.2.8. Affected by this vulnerability is an unknown functionality of the component Shop API Endpoint. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2026-100869. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Sylius up to 2.1.15/2.2.8. It has been rated as problematic. Affected by this issue is an unknown functionality of the component Shop API Endpoint. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-100869 since 09/27/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2.1.16 or 2.2.9 eliminates this vulnerability.

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Productinfo

Name

• Sylius

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7
• 2.1.8
• 2.1.9
• 2.1.10
• 2.1.11
• 2.1.12
• 2.1.13
• 2.1.14
• 2.1.15
• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.8

Website

• Product: https://github.com/Sylius/Sylius/

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