CVE-2026-13222 — Insufficient validation of payment status in pretix-oppwa

CVE-2026-13222

Insufficient validation of payment status in pretix-oppwa PUBLISHED

Description (CNA)

Our payment integration with Oppwa-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-oppwa	affected 0 before 1.4.3

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.