CVE-2026-18028 Missing authorization check in event quick setup view
Attackers can modify event configurations and connect payment accounts for events they do not own due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18028?
CVE-2026-18028 is a low-severity missing authorization vulnerability in pretix, published on 28 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The "quick setup" view presented to users after they first create an event allows to set up the most critical parts of an event in just a few clicks. This view did not properly check that the user has permission to change configuration for the given event. An attacker could use a well-timed request to create products, quotas, set bank transfer configuration, or connect a stripe account to an event they do not have access to.
Weakness: CWE-639
Which versions are affected by CVE-2026-18028?
How do I fix CVE-2026-18028?
No fix has been published for CVE-2026-18028 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-18028 being exploited?
There is no known exploitation of CVE-2026-18028 in the wild and no public exploit code.
Sources
Also known as GHSA-2gm5-4hq3-g753.