CVE-2026-18029

Medium

Description

Our payment integration with GiroCheckout 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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductPretix Gmbh Pretix-girosolution

PublishedJul 28, 2026

First seenJul 28, 2026

Weakness typeCWE-841CWE-841

How to fix

Update

pretix GmbH pretix-girosolution1.0.1 or later

Vendor advisories

pretix.eu/about/en/blog/20260728-release-2026-6-1/

Affected products

Product	Affected versions	Fixed in
pretix GmbH pretix-girosolution	v < 1.0.1	1.0.1

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