CVE-2026-125744 PUBLISHED

Missing permission check in ticket layout API

Assigner: pretix
Reserved: 10.11.2026 Published: 10.11.2026 Updated: 10.11.2026

Our API endpoint for changing ticket layouts did not properly check permissions of the requesting user or API token. An attacker with read-only access to an event could use this to change the event's ticket layout.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
CVSS Score: 1.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	pretix
Product
Versions	Default: unaffected affected from 0 to 2026.7.4 (excl.) affected from 2026.8.0 to 2026.8.2 (excl.) affected from 2026.9.0 to 2026.9.1 (excl.)

Credits

Immanuel Tikhonov finder

References

https://pretix.eu/about/en/blog/20261110-release-2026-9-1-adyen/