CVE-2026-13222 Insufficient validation of payment status in pretix-oppwa
Attackers can reuse valid payment status responses to obtain multiple tickets for a single payment, bypassing payment validation in pretix-oppwa.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13222?
CVE-2026-13222 is a medium-severity vulnerability in pretix-oppwa, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-841
Which versions are affected by CVE-2026-13222?
How do I fix CVE-2026-13222?
No fix has been published for CVE-2026-13222 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-13222 being exploited?
There is no known exploitation of CVE-2026-13222 in the wild and no public exploit code.
Sources
Also known as GHSA-x48c-p6xp-x2xg.