CVE-2026-13223 — Insufficient validation of payment status in pretix-computop

CVE-2026-13223

Insufficient validation of payment status in pretix-computop PUBLISHED

Description (CNA)

Our payment integration with Computop-based payment methods 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 (CNA)

Vendor / product	Versions
pretix / pretix-computop	affected 0 before 1.3.2

CWE

CWE-841

References

https://pretix.eu/about/en/blog/20260625-release-2026-5-2/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.