CVE-2026-100869
MEDIUMCVSS 5.9Description
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.
Timeline
Published:September 27th, 2026 1:16 PM
Last modified:September 28th, 2026 8:57 PM
CVSS Scoring
CVSS v3: 5.9 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/Sylius/Sylius
- https://github.com/Sylius/Sylius/commit/5813831f60f3a60b735a86a57c4b519626a3b75d
- https://github.com/Sylius/Sylius/pull/19214
- https://github.com/Sylius/Sylius/releases/tag/v2.2.9
- https://github.com/Sylius/Sylius/security/advisories/GHSA-2rv4-pjmm-7fxf
- https://www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-arbitrary-payment-action-via-shop-api
Source: NIST NVD · Data may lag official sources by up to one minute