PT-2026-65439 · Pretix Gmbh · Pretix-Girosolution

CVE-2026-18029 · Published 2026-07-28 · Updated 2026-07-28

NVD

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

Weakness Enumeration

CWE-841

Related Identifiers

CVE-2026-18029

Affected Products

Pretix-Girosolution

References · 2

• https://pretix.eu/about/en/blog/20260728-release-2026-6-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-18029 · Security Note