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OpenAdvisories
Medium · 6.3 CVE-2026-57536 EUVD-2026-39415GHSA-x2gq-qh4v-9777

Insufficient validation of payment status in pretix-mollie

Published Jun 25, 2026 · Updated Jun 25, 2026 · Assigned by rami.io

Description

Our payment integration with Mollie did not properly validate payment
status responses. An attacker could use a successful payment status
response from one payment and supply it to the system for a different
payment, gaining access to multiple valid tickets with only one payment.

Affected products

VendorProductAffectedFixed
pretix pretix-mollie < 2.5.6 2.5.6

References