VULNERABILITY INTELLIGENCE
CVE-2026-18029
CVSS score6.3 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-07-28
Last modified2026-10-24
CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
Description
Our payment integration with GiroCheckout 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 classification
- CWE-841: Improper Enforcement of Behavioral Workflow